(astronomy) An event that ends the fusion lifetime of a large and massive star. It is a partial type-II supernova, where the collapse process occurs, but no significant rebound occurs, and the nascent black hole swallows the incoming implosion resulting in no outbound explosion or subsequent light burst.

simple past tense and past participle of fail at life

simple past tense and past participle of words fail someone.

A condition characterized by chronic pain after back surgery.

plural of epic fail

(Internet slang) Bad.

(Internet slang) Utter, total failure, especially where success should have been reasonably expected.

(military) In nuclear weapons strategy: encouraging deterrence by guaranteeing an immediate, automatic, and overwhelming response to an attack, even if the command-and-control infrastructure has been damaged by the enemy's first strike.

(computing) Able to proceed even after an error condition by selectively skipping parts of the processing.

(Scotland) A wall of turf.