Accost/əˈkɔːst/ Definition 1 of 2Pro Tip 1/3Aggressive Encounter Use 'accost' to describe a confrontational or threatening approach by someone. Walking alone, I felt accosted by the loud and demanding questions. Pro Tip 2/3Unwelcome Surprise 'Accost' often implies an unexpected and unwanted interruption or approach. Tourists are often accosted by hawkers at popular landmarks. Pro Tip 3/3Personal Space Using 'accost' suggests invading someone's personal space without consent. The jaded star was accosted by paparazzi outside the café.