toughness
Translation
toughness, strength, resilience, difficulty
Examples
The toughness of the material was tested.
The toughness of the material was tested.
He showed great toughness during the illness.
He showed great toughness during the illness.
Grammar Patterns
the toughness of ((sth.)) the quality of being strong of ((sth.)) The toughness of the rope was impressive.
Similar Words
Etymology
From the adjective 'tough' + the suffix '-ness', which forms nouns indicating a state or quality.
Memory Tips
Since 'tough' means strong or difficult, 'toughness' is the quality of being strong or difficult. It's a direct noun conversion.