REJECTION /ɹəˈdʒɛkʃən/ Scrabble 18 Words With Friends 22 Definition noun the act of rejecting something. noun the state of being rejected. noun (medicine) an immunological response that refuses to accept substances or organisms that are recognized as foreign. noun the speech act of rejecting. See all 187 words you can make from REJECTION → 9-letter words Words starting with R Words ending with N ← Unscramble different letters