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 PDF — $25 TOEFL PDF — $25 IELTS PDF — $25 ← humdrum humidity → Study tips featuring "humid" TOEFL Academic Vocabulary: Study by Topic Boost Your IELTS Writing With Precise Vocabulary Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant