An adage which proposes that every act has unintended consequences.

(transitive) To irritate. / (intransitive) (chiefly of time) To persist or continue with increasing exhaustion.

(UK, chiefly London) London, predominantly the central fifteen or so boroughs.

(idiomatic) Violating rules or decorum; out of bounds. / (US, politics) Having broken with one's party or group, usually temporarily.

(transitive, informal) To point one's firearm at another person, thereby gaining dominance in a situation.

(music) A wind instrument incorporating multiple pipes, such as a panpipe or bagpipe. / (idiomatic) Voice for singing.

(baseball) A statistical measure which evaluates the relative performance of a batter or pitcher compared to a hypothetical replacement player of average fielding skill and below average hitting or pitching.

The continuum of languages derived from Vulgar Latin spoken in the Italian peninsula between circa 960 and the establishment of the Accademia della Crusca in 1582.

(US, military) The highest military award given in the United States.

(Marxism) The temporary period following the fall of capitalism characterized by a struggle to achieve a classless, stateless and moneyless communist society