foolishly Get Printable Handwriting (fool-ish-ly) 3 syllables Rhymes Learn It! Spelling Test Definition adverb. not having good sense; silly; conceived or made without regard for reason or reality Example Sentence He foolishly tried to cheat on his test. Synonyms senseless; brainless; silly Antonyms wise; sensible Rhymes Three Syllable Rhymes (1) foolishly Share with your friends: