SELFLESSNESS Scrabble 15 Words With Friends 18 Definition noun the quality of unselfish concern for the welfare of others. — synonyms: altruism noun acting with less concern for yourself than for the success of the joint activity. — synonyms: self-sacrifice See all 74 words you can make from SELFLESSNESS → 12-letter words Words starting with S Words ending with S ← Unscramble different letters