GRE TOEFL IELTS idle Definition Not active, in use, or in progress; lazy or inactive. Example "The factory machines have been idle for weeks." Sign in to save GRE PDF — $25 TOEFL PDF — $25 IELTS PDF — $25 ← idiot idol → Study tips featuring "idle" 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