GRE TOEFL IELTS humid Definition Containing a high amount of water vapor; moist. Example "The air was so humid that it felt heavy to breathe." Sign in to save GRE Quiz → TOEFL Quiz → IELTS Quiz → ← humdrum humidity → Study tips featuring "humid" 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