best friend Synonyms

bosom friend bestie BFF boon companion bro first mate soul mate sidekick buddy jong amigo alter ego old boy homeboy partner in crime very close friend bosom buddy number one buddy very good friend friend for life closest friend best bud good friend best mate best buddy close friend bosom pal soul sister soulmate main man compadre sounding-board sister confidante confidant comrade compeer companion classmate chum china chica butty buster bruh brother associate crony cully schoolmate