GRE TOEFL IELTS crooked Definition Bent or not straight; also, dishonest or unethical. Example "The picture was hanging crooked on the wall." Sign in to save GRE Quiz → TOEFL Quiz → IELTS Quiz → ← crook crop → Study tips featuring "crooked" Audit Your Own Writing to Find Gaps Write GRE Words Into Your Own Sentences TOEFL Academic Vocabulary: Study by Topic Related words GRE swill GRE taper GRE testy GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct