Grade 4 blackmail Get Printable Handwriting (black-mail) 2 syllables Rhymes Learn It! Spelling Test Definition noun. extortion of money by threats to divulge discrediting informationverb. exert pressure on someone through threats Example Sentence She used the note I sent her as blackmail. Synonyms extortion; bribery; hushmoney Antonyms honesty; let go Rhymes Two Syllable Rhymes (1) blackmail Share with your friends: