best friend(n = noun.person) Array - the one friend who is closest to you; Array
is a kind of friend

N  friend, friend of one's bosom, alter ego, best friend, bosom friend, soulmate, fast friend, amicus, usque ad aras, fidus Achates, persona grata, acquaintance, neighbor, next-door neighbor, casual acquaintance, nodding acquaintance, wellwisher, favorer, fautor, patron, Mecaenas, tutelary saint, good genius, advocate, partisan, sympathizer, ally, friend in need, comrade, mate, companion, familiar, confrere, comrade, camarade, confidante, intimate, old crony, crony, chum, pal, buddy, bosom buddy, playfellow, playmate, childhood friend, bedfellow, bedmate, chamber fellow, associate, colleague, compeer, schoolmate, schoolfellow, classfellow, classman, classmate, roommate, fellow-man, stable companion, best man, maid of honor, matron of honor, compatriot, fellow countryman, countryman, shopmate, fellow-worker, shipmate, messmate, fellow companion, boon companion, pot companion, copartner, partner, senior partner, junior partner, Arcades ambo Pylades and Orestes Castor and Pollux, Nisus and Euryalus, Damon and Pythias, par nobile fratrum, host, Amphitryon, Boniface, guest, visitor, prot_eg_e, amici probantur rebus adversis, ohne bruder kann man leben nicht ohne Freund, best friend, my well-spring in the wilderness, conocidos muchos amigos pocos, friend more divine than all divinities, vida sin amigo muerte sin testigo, friend, friend of one's bosom, alter ego, best friend, bosom friend, soulmate, fast friend, amicus, usque ad aras, fidus Achates, persona grata, acquaintance, neighbor, next-door neighbor, casual acquaintance, nodding acquaintance, wellwisher, favorer, fautor, patron, Mecaenas, tutelary saint, good genius, advocate, partisan, sympathizer, ally, friend in need, comrade, mate, companion, familiar, confrere, comrade, camarade, confidante, intimate, old crony, crony, chum, pal, buddy, bosom buddy, playfellow, playmate, childhood friend, bedfellow, bedmate, chamber fellow, associate, colleague, compeer, schoolmate, schoolfellow, classfellow, classman, classmate, roommate, fellow-man, stable companion, best man, maid of honor, matron of honor, compatriot, fellow countryman, countryman, shopmate, fellow-worker, shipmate, messmate, fellow companion, boon companion, pot companion, copartner, partner, senior partner, junior partner, Arcades ambo Pylades and Orestes Castor and Pollux, Nisus and Euryalus, Damon and Pythias, par nobile fratrum, host, Amphitryon, Boniface, guest, visitor, prot_eg_e, amici probantur rebus adversis, ohne bruder kann man leben nicht ohne Freund, best friend, my well-spring in the wilderness, conocidos muchos amigos pocos, friend more divine than all divinities, vida sin amigo muerte sin testigo.

at best, at the best, best, best and greatest, best evidence rule, best man, best of all, best seller, best wishes, c. h. best, charles herbert best, do one's best, friend, friend at court, friend of the court, get the best, girl friend, give one's best, had best, have the best, lady friend, level best, next friend, second best, sunday best