Definition

The quality or state of being firm, solid, or resistant to pressure or damage.

Example

The hardness of the diamond makes it one of the toughest materials on Earth.

Conversation

Did you know that the hardness of a diamond is what makes it so valuable?

Yeah, I heard it's the hardest natural material on Earth!

Exactly! It's fascinating how they measure hardness using the Mohs scale.

I should really look into that; it sounds pretty interesting.

Synonyms & Antonyms

Root Explanation

Hardness → It is formed from "hard" (from Old English "heard", meaning solid or firm) and "-ness" (a suffix used to form nouns indicating a state or quality). The word "hardness" refers to the quality or state of being hard or firm.

Memory Tip

Think of the word 'hard' to remember that 'hardness' means the quality of being solid or firm.

Visually Confused Words