(astronomy) The explosion of a star, which increases its absolute magnitude to typically a billion times that of our sun. Some leave only debris, while others fade to invisibility as neutron stars ...

(organic chemistry, biochemistry) Any glycosinolate in which the sugar component is glucose.

(in military combat) To indicate to an opposing force that one is surrendering. / (figuratively) To yield, give up, or quit.

(of people or situations) Unpleasant, odious, unsympathetic, harsh, (of person) crabby.