TOEFL functioning Definition The process of working or operating properly. Example "The machine continued functioning despite the power surge." Sign in to save TOEFL Quiz → ← functional fund → Study tips featuring "functioning" Map Each Word Into a Connected Network Track How TOEFL Words Behave With Others Group TOEFL Words Around Academic Themes 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