IPA: /ˈtʌf.nəs/
KK: /tʌf.nəs/
The quality or state of being strong and able to endure difficult conditions without breaking or giving up.
Her toughness helped her overcome many challenges in life.
Toughness → It is formed from "tough" (of uncertain origin, possibly from Old English *tōh*, meaning strong or resilient) and "-ness" (meaning the state or quality of). The word "toughness" refers to the quality of being strong, resilient, or difficult to break.
Think of the word 'tough' which means strong or resilient, and remember that 'toughness' describes the quality of being strong.