Available Definitions:
1) superl. - Not easily penetrated, cut, or separated into parts; not yielding to pressure; firm; solid; compact; -- applied to material bodies, and opposed to soft; as, hard wood; hard flesh; a hard apple.
2) superl. - Difficult, mentally or judicially; not easily apprehended, decided, or resolved; as a hard problem.
3) superl. - Difficult to accomplish; full of obstacles; laborious; fatiguing; arduous; as, a hard task; a disease hard to cure.
4) superl. - Difficult to resist or control; powerful.
5) superl. - Difficult to bear or endure; not easy to put up with or consent to; hence, severe; rigorous; oppressive; distressing; unjust; grasping; as, a hard lot; hard times; hard fare; a hard winter; hard conditions or terms.
6) superl. - Difficult to please or influence; stern; unyielding; obdurate; unsympathetic; unfeeling; cruel; as, a hard master; a hard heart; hard words; a hard character.
7) superl. - Not easy or agreeable to the taste; stiff; rigid; ungraceful; repelling; as, a hard style.
8) superl. - Rough; acid; sour, as liquors; as, hard cider.
9) superl. - Abrupt or explosive in utterance; not aspirated, sibilated, or pronounced with a gradual change of the organs from one position to another; -- said of certain consonants, as c in came, and g in go, as distinguished from the same letters in center, general, etc.
10) superl. - Wanting softness or smoothness of utterance; harsh; as, a hard tone.
11) superl. - Rigid in the drawing or distribution of the figures; formal; lacking grace of composition.
12) superl. - Having disagreeable and abrupt contrasts in the coloring or light and shade.
13) adv. - With pressure; with urgency; hence, diligently; earnestly.
14) adv. - With difficulty; as, the vehicle moves hard.
15) adv. - Uneasily; vexatiously; slowly.
16) adv. - So as to raise difficulties.
17) adv. - With tension or strain of the powers; violently; with force; tempestuously; vehemently; vigorously; energetically; as, to press, to blow, to rain hard; hence, rapidly; as, to run hard.
18) adv. - Close or near.
19) v. t. - To harden; to make hard.
20) n. - A ford or passage across a river or swamp.