Japanese Words of Endearment

Roughneck (affectionate for a wild or highly energetic boy)

Idiot (in Kansai dialect, often used very affectionately/playfully)

Partner/Buddy (affectionate for a very close companion or spouse)

Partner/Buddy (cute diminutive for a close partner)

Love summer (used as a poetic affectionate name, context-dependent)

I love you (deep, serious, heavy romantic affection)

Contrarian (affectionate tease for someone who hides their true sweet feelings)

Darling/Dear (classic term used by wives to husbands, affectionate)

Only you (romantic, intense affection)

My dear (highly polite, slightly archaic/submissive affection)

Big sis (affectionate/respectful, slightly rough/gangster nuance)

Spoiled child (affectionate for someone who loves to be coddled)

Big sis (affectionate/respectful term for an older female mentor/friend)

Bro (casual, affectionate masculine term for older brother figure)

Big bro (affectionate/respectful term for an older male mentor/friend)

You/Dear (casual, can be affectionate between long-term partners or slightly rough)

Scatterbrain (affectionate tease for someone who rushes and fumbles)

Grandma (affectionate baby-talk term for grandmother)

Grandma (informal and affectionate)

Little silly (very affectionate tease)

Idiot (can be used with rough, tsundere-style affection)

Baby (borrowed from English, used in modern slang or pop culture)

Beautiful woman (complimentary affection)

Beautiful girl (affectionate praise)

Beautiful boy (affectionate praise)

Boy (affectionate term for a little boy, e.g., akanbo)

Young master (playful or teasing affection for a sheltered boy)

Idiot (in Kansai dialect, part of playful banter/affection)

Mine (masculine possessive, romantic context)

Ugly (sometimes used as ironic, teasing affection between very close couples)

Clumsy (cute, affectionate variation of bukiyou)

Little pig (teasing affection, highly contextual)

Ugly-cute (affectionate term for a pet or person who is unconventionally cute)

Cute suffix (highly affectionate, used for girls, kids, or close lovers)

Nickname suffix (casual, affectionate shortening of names)

Shorty/Little one (affectionate teasing for someone small or a kid)

Little kid (very affectionate for young children)

Super cute (enthusiastic affection)

Darling (borrowed from English, playful and affectionate)

Great best friend (affectionate, ultimate platonic bond)

I love you / I really like you (very common expression of deep affection)

Husband (casual, used affectionately by wives)

My lord husband (polite but often used playfully/affectionately)

Forehead (playful tease for someone with a prominent forehead)

Lovestruck (affectionate teasing for a partner acting overly sweet)

Mr./Ms. Lovestruck (teasing a partner who is completely smitten)

Disciple (playful term for a partner learning from you)

Clumsy (often used as an affectionate tease)

Brethren (dramatic affection for fellow fans or friends)

Angel (English loanword, exaggerated affection)

Fluffy (cute slang used to describe a soft or gentle partner)

Hard worker (affectionate praise for someone who tries hard)

Master/Husband (playful roleplay or highly formal affection)

Flower (used metaphorically for a beautiful, cherished person)

Honey (borrowed from English, often used jokingly or playfully)

Husband (slang abbreviation of husband, playful)

Shy person (affectionate tease for a bashful partner)

Clumsy/Bad at (used as an endearing tease: "you're so bad at this")

Light (poetic romantic affection, "you are my light")

Princess (playful endearment for a spoiled or cherished girlfriend/daughter)

Princess (elevated, theatrical playful affection)

Chick (affectionate tease for a rookie or cute young person)

Star (rarely used as direct endearment, poetic)

Stardust (poetic, romantic but rare in daily life)

Number one (used affectionately to say someone is the best)

Devoted (affectionate praise for a loyal partner)

Good woman (affectionate praise, slightly mature tone)

Good man (affectionate praise)

Handsome guy (playful affection for a good-looking partner)

Good kid/Good girl/Good boy (used as praise or affectionate petting)

Little sis (affectionate for a younger sister or younger female friend)

Life (poetic, "you are my life")

Mischievous child (endearing tease)

Beloved (deep, sincere romantic affection)

Grandpa (informal and affectionate)

Grandpa (affectionate baby-talk term for grandfather)

Old man (rough, used affectionately only between very close, rough-speaking lifelong partners)

Miss/Girl (sometimes used playfully for a young woman)

Section chief (playful roleplay title for a bossy partner)

Cool/Handsome (affectionate compliment for a male partner)

Attention seeker (affectionate tease for a clingy partner)

Wife (rare/archaic, needs review for modern affection)

Girlfriend (playful youth slang variation of kanojo)

Girlfriend (standard term)

Boyfriend (standard term)

Boyfriend (playful youth slang variation of kareshi)

Cute (used constantly as an expression of affection)

Cute person (affectionate description/address)

Hope (poetic romantic affection, "you are my hope")

Mischievous kid (affectionate for an unruly but cute child)

You (often used affectionately or romantically in songs and poetry)

Creepy-cute (affectionate term for weird but cute things)

Sparkly (affectionate description of a radiant or energetic person)

Beautiful (affectionate compliment for a partner)

Fox (tease for a sly or sharp-featured person)

Bond (affectionate reference to a deep connection)

Child/Girl (used affectionately in compounds like "ii ko" - good girl/child)

Little devil (playful for a teasing, captivating woman)

Kitten (playful/romantic translation of pet names, rare in real life)

Lover/Girlfriend/Boyfriend (standard term, romantic affection)

Puppy (affectionate for a cute, eager boy/partner)

Puppy (highly affectionate for a cute, younger male partner)

I am in love (romantic affection)

Emotional support/Pillar of my heart (deeply affectionate)

Junior (affectionate for a cute younger colleague or student)

Glutton (affectionate teasing for someone who loves to eat)

Mr. Bear (affectionate for a large, comforting man)

Friendly suffix (affectionate for boys, or between close partners)

Brothers/Bros (deep affection between male friends)

Grandbaby (affectionate for a grandchild)

My love (English loanword, used playfully)

My sweet (English loanword, romantic/playful)

True friend (affectionate slang)

Witch (teasing affection for a captivating or tricky woman)

Mama/Mom (often used by husbands to address their wives after having kids)

Demon king (playful for a dominant or imposing partner)

Goddess (romantic compliment for a revered or beautiful partner)

Goddess (exaggerated praise for a female partner)

Glasses (playful affection for a girl who wears glasses)

Married couple (traditional, carries a warm, lifelong bond nuance)

Ally (affectionate expression of unwavering support)

Squishy (cute slang for soft cheeks or a squishy, lovable person)

Fierce one (teasing affection for a strong person)

Ex-girlfriend (not usually affectionate, informational)

Ex-boyfriend (not usually affectionate, informational)

My son (affectionate, old-fashioned calling)

My daughter (affectionate, old-fashioned calling)

Comrade/Friend (affectionate term for in-group bounds)

Crybaby (affectionate tease for an emotional or sensitive person)

Sloth/Lazybones (teasing affection for a lazy Sunday partner)

Big sister (affectionate baby-talk or informal term)

Kitty (affectionate comparison for an independent or cute partner)

Sleepyhead (affectionate for someone always tired or sleeping)

Big brother (affectionate baby-talk or informal term)

Meow suffix (playful, cat-like affectionate suffix)

Silly goose (gentle, affectionate tease)

Little one (cute, affectionate for someone small)

Little one (polite but cute, often used for kids)

Old lady (affectionate/teasing for an older girlfriend or wife, risky)

Old man (affectionate/teasing for an older boyfriend or husband)

Young lady (playful or endearing for a sweet girl)

Mommy/Ma (casual, endearing term for mother or wife)

Mother (used affectionately between older married couples)

Hothead (affectionate teasing for someone quick to pout/anger)

Wife (polite, used playfully by some husbands)

You (masculine, can be very affectionate/possessive when used by a boyfriend/husband)

The one I love/Sweetheart (poetic, slightly archaic)

Big sister (highly affectionate, sometimes romantic for older girlfriends)

Big sister (formal, theatrical affection)

Demon (playful teasing for a strict but loved partner)

Demon wife (joking term husbands use, often masking deep affection and respect)

Big brother (highly affectionate, sometimes used romantically for older boyfriends)

Big brother (formal, theatrical affection)

My only one (English loanword used for romantic affection)

Mine (rough masculine possessive, confident romantic context)

My woman (rough, possessive masculine affection)

My wife (otaku slang, used affectionately for favorite characters or real wives)

Childhood friend (carries a nostalgic, affectionate, often romantic weight)

Favorite/Bias (idol slang now used affectionately for highly cherished partners)

Lovebirds (affectionate term for a happily married couple)

Daddy/Pop (casual, endearing term for father or husband)

Father (used affectionately between older married couples)

Little bro (affectionate for a younger brother or male friend)

Prince (playful for a handsome boyfriend or cherished son)

Prince (elevated, theatrical playful affection)

Partner (modern, egalitarian term for a significant other)

Papa/Dad (often used by wives to address their husbands after having kids)

Penguin (teasing affection for someone cute or clumsy)

Cute suffix (modern slang, highly informal and playful)

Boyfriend/Partner (modern youth slang, very casual)

Chubby-cute (affectionate slang for a delightfully plump person)

Useless/Junk (modern slang, used highly affectionately for a lovable klutz)

Rustic suffix (sometimes used affectionately or jokingly between friends)

Squishy (cute sound used affectionately to poke a partner's cheeks)

Precious (English loanword, theatrical affection)

Lover (English loanword, modern romance)

Lovey-dovey (slang to describe an openly affectionate couple)

Cute suffix (often attached to names for an affectionate, bubbly feel)

Mutually in love (status term, but used affectionately)

Dragon (playful praise for a fierce or energetic boy)

Lonely person (affectionate for someone who hates being alone)

The best (used affectionately to praise a partner's actions or being)

Monkey (teasing affection for a mischievous kid or person)

Youth (affectionate metaphor for someone who makes them feel young/alive)

Best in the world (exaggerated, sweet affection)

Senior (often carries romantic undertones in school/work contexts)

Teacher (sometimes used as playful roleplay affection between couples)

President (playful tease for a partner who acts like the boss)

Sisters (close affection between female friends)

Best friend (affectionate label for closest confidant)

Master (playful term for a partner who is better at something)

Little devil (endearing term for a playfully manipulative/teasing girl)

Girl (sometimes used poetically to express a partner's innocence)

Boy (sometimes used poetically to express a partner's youthful spirit)

Sugar (English loanword, playful pet name)

Husband (formal, but can carry affectionate loyalty)

Sweetheart (English loanword, rare but playful)

I like you (often implies love in Japanese context)

Lovely/Wonderful (often used to affectionately praise a partner)

Important person (cherished romantic partner or family member)

Boss (playful, affectionate for a confident male partner)

Sun (poetic endearment, "you are my sun")

Mr. Sun (cute, affectionate nickname for a bright, cheerful person)

Treasure box (rare, poetic metaphor for someone holding one's joy)

Treasure (affectionate term for a child or highly cherished person)

Baby-talk suffix (hyper-affectionate/otaku culture variation of -chan)

Raccoon dog (tease for a chubby or cleverly mischievous person)

Airhead (affectionate tease for someone naturally spacey or innocent)

Angel (used affectionately for someone pure or a cute child)

Little angel (highly affectionate for a cute girl or child)

Shy person (affectionate description of a bashful partner)

Friend (deep affection for a lifelong friend)

The person next to me (modest, affectionate way to refer to a spouse)

Lord (teasing for an arrogant but loved partner)

Tiger (playful praise for a fierce or protective person)

Younger girlfriend (factual but often used with cute affection)

Younger boyfriend (factual but often used with cute affection)

Younger girl (affectionate term for a younger female partner)

Younger boy (affectionate term for a younger male partner)

Precious/Divine (slang to describe overwhelming affection for someone)

Moon (poetic, historic connotations of love like "tsuki ga kirei")

Straight man (playful label for the logical partner in banter)

Wife (standard, but used with deep affection in private)

Prickly then sweet (pop culture term used affectionately for defensive partners)

My [partner/kid] (casual, affectionate ingroup marker)

My person (casual, affectionate way wives refer to husbands)

My child (deeply affectionate for kids or beloved pets)

Person of destiny/Soulmate (highly romantic)

Little bunny (affectionate for a cute, timid girl)

Beautiful (poetic, deep affectionate praise)

My lord (archaic/fantasy, extreme respectful affection)

Selfish (often used affectionately to describe a cute, demanding partner)

Wife (borrowed from English, sometimes used playfully)

Young master (playful, archaic tease for a boy)

Doggie (affectionate comparison for an eager, loyal partner)

Brat (affectionate for a mischievous child or partner)

Forgetful person (playful tease)

Mine (feminine/neutral possessive, romantic context)

My man (confident feminine possessive affection)

Crazy cute (slang for overwhelming affection)

Goddess of the mountain (archaic/joking, respectful/fearful affection for a wife)

Lovesick and crazy (pop culture term, sometimes jokingly used for intense clinginess)

Kind person (affectionate description of a gentle partner)

I/Me (archaic, used in historical anime, not modern endearment)

Wife (casual, sometimes used affectionately or possessively by husbands)

Wifey (casual, highly affectionate slang for one's wife)

Fairy (playful praise for an ethereal or cute girl)

Scaredy-cat (affectionate tease for a timid person)

Deeply in love/Smitten (informal expression of intense affection)

Friends forever (affectionate youth slang)