Pronunciation IPA (key): /rɪˈd͡ʒɛk.ʃən/ or /rəˈd͡ʒɛk.ʃən/ Audio (UK)(file) Noun Singular rejection Plural rejections (countable & uncountable) A rejection is the act of rejecting someone or something.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads