toughness
tough-ness
noun
The quality of being strong, resilient, and able to endure hardship or difficulty.
"Her mental toughness helped her win the race."
Thesaurus
Synonyms: temper, stamina, staying power, ruggedness, huskiness, formidability
tough-ness
The quality of being strong, resilient, and able to endure hardship or difficulty.
"Her mental toughness helped her win the race."
Synonyms: temper, stamina, staying power, ruggedness, huskiness, formidability