TOEFL fishy Definition Suspicious or questionable; also literally relating to fish. Example "His alibi sounded fishy to the detectives." Sign in to save TOEFL PDF — $25 ← fishery fissure → Study tips featuring "fishy" TOEFL Academic Vocabulary: Study by Topic 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