best friend forever

Permanent close confidant

Best friend forever names a friendship considered unbreakable and lifelong, typically between young people who pledge lasting loyalty.

Usually abbreviated BFF.

The phrase carries earnest sincerity among children and teenagers but often sounds ironic or nostalgic from adults: We've been best friends forever since third grade.

The plural best friends forever describes a mutual pair or group.

Related

soulmate · companionship · ally · favourite · inside jokes · loyalty · handwritten letters · trust · pinky promise · forgiveness · consistency · ride or die · through thick and thin · shared experiences · intimacy · trustworthiness · empathy · reliability

Opposites
relationship intimacy and duration

best friend foreverstranger

Person not yet known

complete stranger · enemy · worst enemy · casual acquaintance · acquaintance

relational valence

best friend foreverworst enemy

Ultimate personal adversary

mortal enemy · sworn enemy · archenemy · nemesis · bitter rival

relationship duration/permanence

best friend foreverfair-weather friend

Ally only in prosperity

ships passing in the night · summer fling · flash in the pan · ex-friend

Family

friend, forever, better, friends, friendly, friendship, befriend, unfriendly, friendless

Familiarity
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Profile
Known to kids · Used worldwide · Timeless · Positive · Everyday, not technical · Rated G