: intruding where one is not welcome or invited 2 a : projecting inward an intrusive arm of the sea b (1) of a rock : having been forced while in a plastic state into cavities or between layers (2) : …

intrusive adjective uk / ɪnˈtruː.sɪv / us / ɪnˈtruː.sɪv / affecting someone in a way that annoys them and makes them feel uncomfortable: intrusive questioning intrusive lighting SMART …

intrusive adjective as in intruding thrusting oneself where one is not welcome or invited she's that proverbially intrusive neighbor who never knocks before coming in Synonyms & Similar Words Relevance intruding busy obtrusive annoying officious interfering meddlesome pushy meddling nosy prying rude presumptuous pushing snoopy protrusive

intrusive (of a rock) having been forced between preexisting rocks or rock layers while in a molten or plastic condition. noting or pertaining to plutonic rocks.

in·tru·sive 1. Intruding or tending to intrude. 2. Geology Of or relating to igneous rock that is forced while molten into cracks or between other layers of rock. 3. Linguistics Epenthetic.

The definition of intrusive is someone or something that invades personal space, that becomes too involved or that comes too close without being invited. An unwelcome and overly personal …

intrusive. Something intrusive is getting in your face or invading your space. Nosey questions, a poke in the ribs, and a hovering mother are all intrusive. Things that are intrusive are a real pain in the neck: they intrude on you. If someone asks you a million questions, especially personal questions, that's intrusive behavior.