smirch Get Printable Handwriting (smirch) 1 syllables Learn It! Spelling Test Definition verb. to make dirty or discolor as by smearing or staining with grime to sully or dishonor a reputation; good name; etc. Example Sentence They tried to smirch his good name. Synonyms smear; malign; stain; wrong Antonyms applaud; encourage Share with your friends: