Translation guide
The English word 'extreme' can describe a very high degree of something, the furthest point, or radical views or actions. In Japanese, the translation depends heavily on context. Common equivalents include 極端な (kyokutan na) for 'extreme' as in 'going to extremes', 過激な (kageki na) for radical or violent extremism, and 非常に (hijō ni) or 極めて (kiwamete) as adverbs meaning 'extremely'. This guide helps you choose the right expression.
Expressing that something is at a very high level, such as extreme heat, extreme caution, or extreme poverty.
The most direct adjective meaning 'extreme', often used for opinions, measures, differences, or conditions that are far from average. Can have a negative nuance of being excessive.
彼の意見は極端すぎる。
His opinion is too extreme.
極端な暑さで外に出られない。
I can't go outside because of the extreme heat.
Adverb meaning 'extremely' or 'very'. Formal and common in writing. Use before adjectives or verbs.
この問題は非常に重要だ。
This issue is extremely important.
Adverb meaning 'extremely', often used in formal or written contexts. Slightly more emphatic than 非常に.
Casual adverb meaning 'extremely' or 'really'. Very common in spoken Japanese.
今日はすごく暑いね。
It's extremely hot today, isn't it?
Describing political extremism, radical behavior, or violent activism.
Means 'extreme' in the sense of radical, militant, or violent. Often used for political groups, protests, or opinions.
過激な発言が問題になった。
His extreme remarks became a problem.
過激派の活動が活発化している。
The activities of extremist groups are intensifying.
Means 'radical' in the sense of advocating rapid change. Less violent connotation than 過激な.
彼は急進的な改革を主張した。
He advocated radical reforms.
Far-right, extreme right-wing. Used in political contexts.
Far-left, extreme left-wing.
Referring to the farthest end of a scale, such as the extreme north, or the extremes of emotion.
The extreme north, northernmost point. Use similar compounds for other directions: 最南端 (southernmost), 最東端 (easternmost), 最西端 (westernmost).
その島は日本の最北端に位置する。
The island is located at the extreme north of Japan.
The extreme limit, utmost boundary. Often used in phrases like 極限状態 (extreme conditions) or 極限まで (to the extreme limit).
Referring to high-risk sports like skydiving, bungee jumping, etc.
Loanword from English, widely understood. Often shortened to エクストリーム.
彼はエクストリームスポーツが大好きだ。
He loves extreme sports.
Literal translation 'extreme sports', but less common than the loanword.
過激なスポーツは危険を伴う。
Extreme sports involve danger.
極端な (kyokutan na) is used for things that are far from the norm or average, like extreme opinions or weather. 過激な (kageki na) implies radicalism, violence, or militancy, often in political or social contexts. Using 過激な for 'extreme heat' would sound unnatural.
極端な意見 (extreme opinion) vs 過激な意見 (radical/violent opinion)
極端な意見 (extreme opinion) vs 過激な意見 (radical/violent opinion)
English often uses 'extreme' as a noun (e.g., 'go to extremes'). In Japanese, you usually need a phrase like 極端に走る (hashiru) or 極端なことをする. The word 極端 (kyokutan) itself can be a noun, but it's not used in all the same ways.
極端に走るのはよくない。
Going to extremes is not good.
彼は極端な考えを持っている。
He holds extreme views.
天気が非常に寒い。
The weather is extremely cold.
エクストリームスポーツは若者の間で人気がある。
Extreme sports are popular among young people.
それは極めて稀なケースだ。
That is an extremely rare case.
Far-right parties are gaining support.
A far-left terrorist group claimed responsibility.
彼は極限状態でも冷静だった。
He remained calm even in extreme conditions.
Both extremes, the two opposite ends of a spectrum.
彼の性格には両極端がある。
His personality has both extremes.