fro UK /fɹəʊ/US /fɹoʊ/adverb 1preposition 1noun 1forms 1phrases 1 adverb1 •From; away; back or backward. preposition1 •(no longer used) From.The preest that hawkys so, All grace is far hym fro. — 1503 noun1 •(slang) Clipping of afro (hairstyle). formsfros Phrases with fro to and froPertaining to something or someone moving forward and back to the same position.