slack Get Printable Handwriting (slack) 1 syllables Learn It! Spelling Test Definition noun. verb. andadjective. slow; idle; sluggish barely moving; said of a current; as of air or water characterized by little work; trade; or business; not busy or active Example Sentence He is slack in answering letters. Synonyms fiddle; shirk; shrink from; goldbrick Antonyms quick Share with your friends:
