severe / intense, acute, extreme / violent

to compete

competition; contest

to participate, to join, to enter

participation, commitment

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

competitor

participant (person)