intrude

(verb) enter uninvited. Synonyms: irrupt. Examples: "They intruded on our dinner party." "She irrupted into our sitting room."

(verb) enter unlawfully on someone's property. Synonyms: trespass. Example: "Don't trespass on my land!."

(verb) search or inquire in a meddlesome way. Synonyms: horn in, pry, nose, poke. Example: "This guy is always nosing around the office."

(verb) thrust oneself in as if by force. Synonyms: obtrude. Example: "The colors don't intrude on the viewer."