Word parts remind + -er Pronunciation (UK) IPA (key): /rɪˈmaɪn.də/ (US) IPA (key): /rɪˈmaɪn.dɚ/ Audio (UK)(file) Noun Singular reminder Plural reminders (countable) A reminder is someone or something that is used to remember something. He left a note as a reminder to get groceries.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads