Grade 10 harshness Get Printable Handwriting (harsh-ness) 2 syllables Rhymes Learn It! Spelling Test Definition noun. 1 excessive sternness; 2 the quality of being unpleasant or rough or grating to the senses Example Sentence The harshness of his words made him upset. Synonyms rough; brutal; hard Antonyms kind; pleasant Rhymes Two Syllable Rhymes (1) harshness Share with your friends: