(usually in the plural) Anything, especially a plant, that is hardy. / A blacksmith's fuller or chisel, having a square shank for insertion into a square hole in an anvil, called the hardy hole.

Having an extreme dedication to a certain activity. / (colloquial) Particularly intense; thrillingly dangerous or erratic; desirably violent in appearance; pleasing or "cool" due to intensity or danger.

Broken bricks, stone and/or other aggregate used as foundations, especially in road and path laying. / Hardcore punk. / Gangsta rap. / Hardcore techno. / Outlaw country.

Of a person, taking their work seriously and doing it well and rapidly.

(degree) Barely, only just, almost not. / (now rare) With difficulty. / (manner, archaic) Harshly, severely; in a hard manner. / (manner, obsolete) Firmly, vigorously, with strength or exertion.

Not really.

Difficulty or trouble; hard times. / A burden, a source of difficulty that could impose a barrier.

(transitive) To treat (a person) badly; to subject to hardships.

Alternative spelling of hard-liner

A common surname transferred from the nickname, originally a nickname for a hardy person. / Thomas Hardy (1840-1928), English novelist and poet. / A male given name transferred from the surname.