Alternative spelling of rock hard

Alternative spelling of hardhanded.

Alternative spelling of hardhanded.

Having hard or strong hands. / covetous; niggardly

(computing theory) A problem H is NP-hard if and only if there is an NP-complete problem L that is polynomial time Turing-reducible to H.

plural of hard-bill

Having hard or stern features; unattractive.

A distilled beverage with a high alcohol content, such as brandy, whiskey, or vodka.

(transitive) To cook (an egg) to a solid consistency: to cause to be hard-boiled.

(obsolete) A toxic preparation made from Anamirta cocculus, etc., once used to impart an intoxicating quality to beer.