A person who opposes or fights against another; opponent; enemy
A person who tries to get or do the same thing as another, or to equal or surpass another; competitor
(Astronomy) The apparent relative position of two celestial bodies when one is at an angle of 180 degrees from the other as seen from the Earth.
(Uncountable) Permission to enter.
One that opposes another or others, as in a battle, contest, or debate:
One that challenges:
A person who hates another, and wishes or tries to injure him; foe
One who is opposed to an idea or cause:
A contest, or match
A fight or struggle, esp. a protracted one; war
Find another word for competitor. In this page you can discover 24 synonyms, antonyms, idiomatic expressions, and related words for competitor, like: adversary, rival, contender, competitior, entrant, opposition, entry, player, rider, runner and exhibitor.