GRE TOEFL lament Definition To express sorrow, regret, or grief, often in speech or writing. Example "She lamented the loss of her childhood home." Sign in to save GRE Quiz → TOEFL Quiz → ← lame lamentable → Study tips featuring "lament" 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