Twiddling one's thumbs Twiddling one's thumbs antonyms If you know antonyms for Twiddling one's thumbs, then you can share it. Suggest antonym for Twiddling one's thumbs Twiddling one's thumbs synonyms at a loose end If you know synonyms for Twiddling one's thumbs, then you can share it. Suggest synonym for Twiddling one's thumbs