TOEFL IELTS impact Definition A strong effect or influence; a collision. Example "The new policy had a significant impact on small businesses." Sign in to save TOEFL Quiz → IELTS Quiz → ← imp impair → Study tips featuring "impact" Map Each Word Into a Connected Network Audit Your Own Writing for Lexical Resource Track How TOEFL Words Behave With Others Related words TOEFL brighten GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate GRE abduct SAT abet GRE abhor GRE abide SAT abject TOEFL ablaze