GRE TOEFL IELTS mourn Definition To feel or express sorrow, especially for someone who has died. Example "She mourned the loss of her childhood home." Sign in to save GRE Quiz → TOEFL Quiz → IELTS Quiz → ← mount mournful → Study tips featuring "mourn" Audit Your Own Writing to Find Gaps 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