(intransitive) To strive to one's utmost; to give one's all in an endeavour, at sport, etc. / (intransitive, informal) To be excellent. / Used other than figuratively or idiomatically: see go, hard.

(chiefly UK, politics) The section of the left wing that supports traditional socialist policies, distinguished from the social democratic centre-left and the communist and anarchist far left.

(politics) Alternative form of hard-left

plural of hard gainer

Having been obtained with a great deal of effort.

(slang) Money that one owns.

plural of hard launch

A means of launching a guided missile, where the missile's rocket engine is ignited while still inside the launch assembly or tube.

(databases) An operation in which data is erased from the database (as opposed to a soft deletion).

plural of hard atheist