Multiple choice Directions: Choose the word opposite in meaning to the given word. Clean Fickle Cool Filthy Flimsy Fidgety Reveal answer Fill a bubble to check yourself C Correct answer Explanation Filthy means extremely dirty or unclean, which is the direct opposite of clean. The other options (fickle, cool, flimsy, fidgety) relate to inconsistency, temperature, strength, or restlessness - none of which are direct antonyms of cleanliness.