GRE TOEFL besmirch Definition To damage or tarnish someone's reputation or the purity of something. Example "False rumors besmirched her good name." Sign in to save GRE PDF — $25 TOEFL PDF — $25 ← besiege bestial → Study tips featuring "besmirch" TOEFL Academic Vocabulary: Study by Topic 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