(uncountable) Chocolate that has not had milk products added to lighten and sweeten it. / (countable) A serving or a variety of this chocolate.

The theory that the laws of evolution by natural selection also apply to social structures.

(Australia, New Zealand) Britain, England, London, or Ireland; the Old Country. / (colloquial, UK, naval) Dartmouth Royal Navy College.

(humorous) One of the international honours awarded to people who supposedly help to improve the human gene pool by "removing themselves from it in a spectacularly stupid manner."

(criminology, statistics) The estimated number of unreported criminal cases.

(idiomatic) A guess, attempt, or choice made with little or no evidence or knowledge.

A challenge that is harder or naughtier than a regular dare

To challenge with a double dare.

(games) A game where players take it in turn to perform a dare set by the other players, or truthfully answer a question put forth by them.

(games) The question asked during the truth or dare game, in which a player asks another player to choose between the two.