Answer: toughcookie

AnswerCrossword Clue
TOUGHCOOKIEDifficult one to deal with
TOUGHCOOKIESurvivor
TOUGHCOOKIETenacious one
TOUGHCOOKIEObstinate sort
TOUGHCOOKIENot the easiest person to deal with
TOUGHCOOKIESweet unyielding person?
TOUGHCOOKIEUnyielding person
TOUGHCOOKIENo pushover
TOUGHCOOKIEStubborn individual?