brave healthy fit keep down sane. pass out, lose consciousness, fall unconscious, black out, collapse informal flake out , keel over, conk out, zonk out, drop, go out, go out like a light literary swoon Another word for faint: dim, low, light, soft, thin | Collins English Thesaurus (2) Find more similar words at wordhippo.com! faint [fÄnt] a temporary loss of consciousness that is self-correcting, caused by generalized cerebral ischemia; called also syncope. Antonyms. timid fearful faint-hearted cowardly fainthearted. faint synonyms, faint pronunciation, faint translation, English dictionary definition of faint. Synonyms for faint include dizzy, giddy, vertiginous, weak, wobbly, woozy, exhausted, unsteady, fatigued and reeling. 7. faint. Find more similar words at wordhippo.com! Synonyms. (Ëfeɪnt) Lacking conviction or boldness or courage. Antonyms: consciousness. ' Synonyms for 'faint': invisible, subtle, blurred, faintly, unseen, fuzzy, undetected, indistinct, ill-defined, blind, dim, feeble, imperceptible swoon: The horrible news made her faint. Synonyms for fainting include collapse, blackout, faint, knockout, swoon, swooning, unconsciousness, coma, syncope and swim. Faint definition, lacking brightness, vividness, clearness, loudness, strength, etc. Another word for collapse: fall down, fall, give way, subside, cave in | Collins English Thesaurus See more. : a faint light; a faint color; a faint sound. adjective. It may be due to a nervous reaction stemming from such causes as fear, hunger, pain, or an emotional or physical shock. Antonyms for faints. Synonyms: blackout , swoon , collapse , knockout, loss of consciousness. Synonyms for faints in Free Thesaurus. Define faint.