LISTLESSNESS Scrabble 12 Words With Friends 15 Definition noun a feeling of lack of interest or energy. — synonyms: languor, lassitude noun inactivity resulting from lethargy and lack of vigor or energy. — synonyms: torpidity, torpidness, torpor See all 233 words you can make from LISTLESSNESS → 12-letter words Words starting with L Words ending with S ← Unscramble different letters