Alternative form of hardworking

(astronautics) An explosion in a rocket engine during startup, usually due to the presence of too much propellant prior to ignition.

A technical skill, not one that is interpersonal.

(live action role-playing games) As a roleplayer, of a skill that one's character has, to carry that skill out literally.

To connect components by means of permanent electrical wires. / (computing) To implement a feature in hardware rather than in software so that it cannot easily be changed.

(Internet) An automatic redirect.

plural of hard hat

(colloquial) Lacking money; impecunious; in financial difficulties. / (colloquial) Lacking anything. / (colloquial, by extension) Desperate.

plural of hard disk

plural of hard drive