INCONSTANCY Scrabble 18 Words With Friends 22 Definition noun unfaithfulness by virtue of being unreliable or treacherous. — synonyms: faithlessness, falseness, fickleness noun the quality of being changeable and variable. — synonyms: changefulness See all 288 words you can make from INCONSTANCY → 11-letter words Words starting with I Words ending with Y ← Unscramble different letters