Word parts dismiss + -al Pronunciation (UK) IPA (key): [dɪsˈmɪsəɫ] or [dɪzˈmɪsəɫ] Audio (AU)(file) Noun Singular dismissal Plural dismissals (countable) Dismissal is the act of sending someone away or allowing them to leave.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads