Grade 3 whisper Get Printable Handwriting (whis-per) 2 syllables Rhymes Learn It! Spelling Test Definition verb. to speak very softly or under the breath Example Sentence We must whisper while the baby sleeps. Synonyms murmur; speak quietly; soft speech Antonyms shout Rhymes Two Syllable Rhymes (2) crisper whisper Share with your friends: