(of a valve) allowing air or liquid to travel in one direction only, and not permitting its return.

Alternative form of nontraditional

not suspecting, unsuspecting

(Ireland, UK, historical) A unionist mass protest campaign against the provisions of the 1985 Anglo-Irish Agreement which gave the government of the Republic of Ireland an advisory role in Northern Ireland's government.

Synonym of no rest for the wicked

Alternative form of nonflying

(colloquial) An important or influential person.

Alternative form of nonidiomatic (preferred in British English)

Any animal of the genus Conepatus, native to the Americas.

plural of hog-nosed skunk