panicky Get Printable Handwriting (pan-ick-y) 3 syllables Rhymes Learn It! Spelling Test Definition noun. a sudden overwhelming fear with or without cause that produces hysterical or irrational behavior and that often spreads quickly through a group Example Sentence The storm caused the children to be panicky. Synonyms alarm; terror; fear Antonyms calm Rhymes Three Syllable Rhymes (1) panicky Share with your friends: