Definitions

1. noun

The state or quality of being hard; firmness or stiffness in texture, consistency, or character.

“The scientists tested the samples for their hardness and found that they had varying levels of resistance to scratching.”

2. noun

The ability to withstand physical pressure or force without deforming or breaking.

“The hardness of the metal allowed it to withstand the high temperature and pressure inside the engine.”

3. noun

A measure of the difficulty or unpleasantness of a situation or task.

“The hardness of the decision was evident in the look on her face.”

4. noun

The quality of being resistant to emotional or psychological pressure.

“She showed great hardness in the face of adversity, refusing to give up.”