Intrusive/ɪnˈtruːsɪv/ Definition 1 of 3Pro Tip 1/3Negative Nuance Used to describe actions that invade privacy and are often viewed negatively. Her intrusive questioning made him uncomfortable. Pro Tip 2/3Personal Space Often relates to someone not respecting others' personal space or boundaries. He found their constant attention quite intrusive. Pro Tip 3/3Unsolicited Presence Implies an unwanted or uninvited presence in someone's life or space. She installed blinds to keep her intrusive neighbors from looking in.