unprovoked /ˌʌnpɹəˈvoʊkt/adjective 1adverb 1forms 2 adjective1 •Happening without provocation.Three unprovoked stabbings across Manhattan Monday morning that left two men and one woman dead show how the criminal justice and mental health systems fail New Yorkers, the city’s mayor said. — 2024 adverb1 •Without provocation or motivation.He attacked me, suddenly, unprovoked. formsmore unprovoked · most unprovoked