bi

Having two parts

Bi is informal for bisexual—attracted to both men and women: She came out as bi in college.

The term functions as both adjective and noun: a bi person, I'm bi.

Bi- as a prefix means two or twice: biweekly, bilateral, bipolar. (Capitalized Bi is the chemical symbol for bismuth.)

sexual

bisexual

Attracted to multiple genders

LGBTQ · pride · coming-out · visibility · biphobia · spectrum · fluid · attraction · identity · community

dual

pair

Two matching things

duplex · bipartite · dichotomy · duality · bilateral · bifurcate · biannual · biweekly · bimonthly · bicameral

polar

bipolar

Having two opposite poles

mania · hypomania · cycling · episode · lithium · diagnosis · stability · trigger · relapse

lingual

bilingual

Speaking two languages

fluency · interpreter · translation · code-switching · immersion · dual-language · mother-tongue

Categories
Opposites
sexual orientation

bistraight

Not curved or crooked

heterosexual · monosexual · gay · lesbian · homosexual

numerical prefix

bimono

Single, as prefix

uni · mono- · uni- · single · poly

Phrases
Family

binary, bisect, biceps, bigamy

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Abstract · Everyday, not technical · Rated PG