toughness

Từ điển Oxford Advanced Learner 8th

tough·ness BrE [tʌfnəs] ; NAmE [tʌfnəs] noun uncountable
•Her background had given her the physical and mental toughness that enabled her to fight for what she wanted.
Main entry: ↑tough_derived

• Từ đồng nghĩa / Synonyms:
  formidability, temper, huskiness, ruggedness, stamina, staying power