adjective
(of material or fluid) Solid and firm.
(personal or social) Having a severe property; presenting difficulty.
Unquestionable; unequivocal.
(of a road intersection) Having a comparatively larger or a ninety-degree angle.
(slang, vulgar, of a male) Sexually aroused; having an erect penis.
(bodybuilding) Having muscles that are tightened as a result of intense, regular exercise.
(phonetics, not comparable) Fortis.
(Slavic phonology) Velarized or plain, rather than palatalized.
(art) Having a severe property; presenting a barrier to enjoyment.
In a physical form, not digital.
Using a manual or physical process, not by means of a software command.
(politics) Far, extreme.
Of silk: not having had the natural gum boiled off.
(finance) Of a market: having more demand than supply; being a seller's market.
(pornography) Hardcore.
adverb
(manner) With much force or effort.
(manner) With difficulty.
(obsolete) So as to raise difficulties.
(manner) Compactly.
(now archaic) Near, close.
noun
(countable, nautical) A firm or paved beach or slope convenient for hauling vessels out of the water.
(countable, motor racing) A tyre whose compound is softer than superhards, and harder than mediums.
(uncountable, drugs, slang) Crack cocaine.
(uncountable, slang) Hard labor.
verb
(transitive, obsolete) To make hard, harden.