uncompromising and forceful in position or policy

stiff; rigid

simply, actually, or really; used to emphasize that something was achieved despite difficulty

to become hard or solid, especially as a physical or material process

to have perfect mastery of a skill or technique

physically firm and resistant to pressure; solid and rigid

a man of strong, unyielding character or physical resilience

the quality or state of being hard; resistance to scratching or compression

robust; healthy (typically used to describe an elderly person's physical condition)

to insist on doing something or be firmly set on a course of action despite opposition or difficulty

blunt, rigid, or unfriendly in manner or attitude

by force, bluntly, or through sheer effort

to force oneself to do something difficult, unpleasant, or intimidating despite reluctance or fear

atherosclerosis; hardening of the arteries caused by the buildup of plaque

referring to highly addictive or potent narcotics

hardening of the arteries, a condition where the walls of arteries become thick and stiff

hard seat (on a train or boat)

a glaring error, logical shortcoming, or fundamental defect

having a hard quality or texture; made of hard material

a person of unyielding character or integrity who does not succumb to pressure

a tough battle; a difficult task; a big challenge

hard sleeper (a type of sleeper train ticket class with a harder bunk)

to make oneself do something in spite of adversity, pain, or difficulty

reluctant to admit a mistake

to meet force with force; to clash head-on

to learn by rote or mechanically memorize without understanding

very hard; stiff

to use both mild persuasion and forceful pressure or threats simultaneously or alternately to achieve an objective

a faction or group that advocates for uncompromising, aggressive, or firm policies

to hold out or persevere through hardship or illness with sheer willpower

responsive to gentle persuasion or kindness but resistant to force or pressure

acting or speaking with confidence and authority, often due to having solid backing or evidence

to copy or apply something mechanically regardless of its suitability to the specific circumstances; to follow a formula or model blindly

stubbornly unyielding or die-hard in attitude or belief

to use a combination of soft and hard tactics to get what one wants; to coax and pester someone persistently

crust; hard shell

hard, solid, or firm in texture

to force, coerce, or pressure someone into doing something through persistent or aggressive demands

any salt or ester of stearic acid

to proceed tenaciously in spite of obstacles

(Taiwan) computer hardware

unmoved by force or persuasion

hard-hearted; unfeeling; callous

generic term for hard writing instruments such as quill pens, fountain pens, ball pens and pencils, as opposed to writing brushes