fierceness

noun
1
the fact of being angry and aggressive in a way that is frightening
خشمگینی, خشونت, خشم
2
the quality of showing strong feelings and involving a lot of activity or determination
شدت, قاطعیت, شور و هیجان شدید, تندی
the fierceness of the competition
3
the fact of being very strong in a way that could cause damage
شدت, خشونت
the fierceness of the flames