intrude on vs intrude

intrude on and intrude both are verbs.

Word	Noun	Adjective	Verb	Adverb
intrude on	No	No	Yes	No
intrude	No	No	Yes	No

intrude on (verb)	intrude (verb)
to intrude upon, infringe, encroach on, violate	thrust oneself in as if by force
	enter uninvited
	search or inquire in a meddlesome way
	enter unlawfully on someone's property