What context can I use each word in?
Learn when and how to use these words with these examples!
hardness
Example
The diamond is known for its extreme hardness. [hardness: noun]
Example
The surface of the table has a hardness that prevents scratches. [hardness: noun]
toughness
Example
The steel used in construction has high toughness and can withstand heavy loads. [toughness: noun]
Example
The leather jacket is tough enough to protect against abrasions and cuts. [tough: adjective]
Good things to know
Which word is more common?
Hardness and toughness are both technical terms that are commonly used in scientific and engineering contexts. However, hardness is more commonly used in materials science and metallurgy, while toughness is more commonly used in mechanical engineering and structural design.
What’s the difference in the tone of formality between hardness and toughness?
Both hardness and toughness are technical terms that are typically used in formal or technical writing. However, hardness may be considered slightly more formal due to its association with materials science and metallurgy.