impinging

(noun) the physical coming together of two or more things. Synonyms: contact, striking. Example: "Contact with the pier scraped paint from the hull."

(verb) impinge or infringe upon. Synonyms: impinge, encroach, entrench, trench. Examples: "This impinges on my rights as an individual." "This matter entrenches on other domains."

(verb) advance beyond the usual limit. Synonyms: encroach, infringe, impinge.