GRE TOEFL declivity Definition A downward slope or descent. Example "They skied quickly down the steep declivity." Sign in to save GRE Quiz → TOEFL Quiz → ← decline decode → Study tips featuring "declivity" 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