Synonyms: street fighter, tough
Definition: someone who learned to fight in the streets rather than being formally trained in the sport of boxing
Similar words: scrapper, belligerent, battler, combatant, fighter
Definition: someone who fights (or is fighting)
Synonyms: street fighter
Definition: a contestant who is very aggressive and willing to use underhand methods
Similar words: rival, contender, challenger, competition, competitor
Definition: the contestant you hope to defeat
Usage: he had respect for his rivals; he wanted to know what the competition was doing