Added 9 October 2026 demonstrated /ˈdɛmənstɹeɪtɪd/ adjective Categories: Describing WordsEveryday Words adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about demonstrated at Wordnik → Where our words come from → Having been demonstrated or verified beyond doubt. Related Words: incontestableincontestibleactedapparentappearedascertainedattestattestedauditedbeenbehavedborne Back to today's word