The definition of 'toughnesss' & the word 'toughnesss' in example sentences or phrases

Noun
1
enduring strength and energy
2
the property of being big and strong
3
the elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking
4
impressive difficulty

Synonyms of the word 'toughnesss' & Antonyms of the word 'toughnesss'.

Noun
Synonymsstaying power, toughness, stamina, toughness, huskiness, ruggedness, toughness, temper, formidability, toughness,