noun
toughness
noun
1
The quality of being resistant to breaking, wear, or damage.
"Engineers tested the toughness of the new alloy."
2
Mental or physical resilience; the ability to endure hardship.
"It takes real toughness to run a marathon in that heat."
How to Use Toughness
Learner’s notesIn plain EnglishThe quality of being strong, resilient, or able to endure hardship.
Common pairings
mental toughness
test the toughness of
Word Forms
toughnesses plural
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Engineers tested the _____ of the new alloy.
Etymology
Formed from tough plus the noun-forming suffix -ness.