Added 9 October 2026 reaffirm /ɹiːəˈfɜːm/ verb Categories: LanguageRare Words verb ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about reaffirm at Wordnik → Where our words come from → Affirm once again. He reaffirmed his faith in the church Related Words: reassertrecommitreconfirmationreaffirmationreassessrenewingrestaterenewreinstaterepeatreconfirmreclaim Back to today's word