(of a floor) Made of interlocking hardwood boards.

(American football) The situation where the quarterback attempts to draw the defense offside through a deceptive snap count sequence, sometimes accompanied by subtle body movements which simulate the initiation of the play.

(US) An alcoholic beverage formed by fermenting cider (apple juice).

simple past tense and past participle of harden

Inured; toughened. / Unfeeling; pitiless; callous. / Firmly established or unlikely to change; inveterate. / (computing, military) Having extra defences against attack; highly fortified.

(of a boiled egg) Cooked to a solid consistency. / (of a person, especially a detective) Callous and unsentimental.

simple past tense and past participle of hard-boil

(chemistry) Water with a high concentration of dissolved minerals, especially calcium, making it difficult to lather with soap.

(idiomatic, informal) To cause difficulty or make trouble for someone. / (idiomatic, informal) To tease, kid or rib someone.

Alternative form of harebrained