noun
top contender; top competitor
A loanword from English, used in sports, business, or any competitive context to refer to a leading candidate or strong competitor.
彼は優勝候補のトップコンテンダーだ。
He is a top contender for the championship.
この製品は市場でトップコンテンダーになりつつある。
This product is becoming a top contender in the market.
Borrowed from English 'top contender'.