A reversion to an earlier stage of development. / (derogatory) A person considered to be primitive, uncivilized and mentally deficient. / An organism that has characteristics of a more primitive form.

(transitive) To discard (trash, garbage, or the like), to toss out, to put in the trash, to dispose of. / (transitive, figuratively) To waste, to squander.

(transitive) To cause something one is holding to drop, often forcefully. / (transitive, dated) To destroy or demolish.

(slang, idiomatic, transitive) to produce or perform (something) admirably or forcefully.

(rail transport) a train that travels a long distance without any stops

Completely; entirely; fundamentally.

A bullet wound in which the bullet passes through the body.

(idiomatic, UK) To introduce a problem, dilemma or obstacle, something unexpected or troublesome.

A secret informant possessing valuable information, especially one who stays secret long after the incident in question is concluded.

(pathology) An infection of the throat with streptococci.