COMPLETING /kəmˈpliːtɪŋ/ Scrabble 17 Words With Friends 23 Definition adjective acting as or providing a complement (something that completes the whole). — synonyms: complemental, complementary Examples “He completed the assignment on time.”“The last chapter completes the book nicely.” See all 398 words you can make from COMPLETING → 10-letter words Words starting with C Words ending with G ← Unscramble different letters