Translation guide
The English word 'competitor' can refer to a rival in business, sports, or other contests. Japanese has distinct words for different contexts, and the most natural choice depends on whether you're talking about a company, an athlete, or a general rival.
A company or organization that competes in the same market.
Standard term for a competing company, especially in business or corporate contexts.
我が社の競合他社は価格を下げてきた。
Our competitors have lowered their prices.
Literally 'rival company'. Slightly more casual and often used in news or conversation.
あのライバル会社が新製品を発表した。
That rival company announced a new product.
General term for 'competitor' or 'rival', can be used for companies or individuals.
新しい競争相手が市場に参入した。
A new competitor has entered the market.
A person or team that competes in a sporting event.
Formal term for a competitor in a sporting event or contest. Often used in official contexts.
競技者たちはスタートラインに並んだ。
The competitors lined up at the start line.
Common word for 'athlete' or 'player'. In context, it can mean 'competitor' when referring to participants in a match or tournament.
A person or entity that competes for the same goal, not limited to business or sports.
Loanword from English, widely used for any kind of rival in work, love, academics, etc. Very natural in casual and semi-formal contexts.
彼は私の最大のライバルだ。
He is my biggest competitor.
Literally 'enemy'. Can be used figuratively for a fierce competitor, but carries a strong adversarial nuance. Use with caution.
Can sound overly aggressive or dramatic. Only use when you want to emphasize intense rivalry.
A participant in a non-sporting contest like a talent show, academic competition, or game.
General word for 'participant'. Often used when the competitive aspect is less emphasized.
コンテストの参加者は100人以上だった。
There were over 100 competitors in the contest.
Specifically refers to someone who appears in a competition or event. Common in TV shows and tournaments.
競合他社 is the standard business term used in reports and formal meetings. ライバル会社 is more colloquial and often appears in media. Both mean 'competitor company', but 競合他社 is safer in professional settings.
The word 競争者 exists but is rarely used in natural Japanese. It can sound awkward or overly literal. Use the options above depending on context.
He is a strong competitor.
Specifically means 'opponent' in a match or game. Emphasizes the direct confrontation.
次の対戦相手は前回の優勝者だ。
My next competitor is the previous champion.
Also works for general rivals, but slightly more formal than ライバル.
彼女は昇進の競争相手だ。
She is a competitor for the promotion.
He is my competitor in business (with a nuance of enemy).
出場者はステージでパフォーマンスを披露した。
The competitors performed on stage.