Translation guide
The English prefix 'hyper-' means 'excessively' or 'above normal'. In Japanese, it is often expressed with prefixes like 超 (chō) or 過 (ka), or with adverbs. The choice depends on formality and context.
To say something is extremely or excessively something, in casual conversation.
A very common casual prefix meaning 'super' or 'ultra'. Attach directly to nouns, adjectives, or verbs. Often used by younger speakers.
I'm hyper-busy.
超嬉しい！
I'm hyper-happy!
Kansai-origin slang meaning 'very' or 'incredibly'. Used like 'hyper-' in casual speech.
めっちゃ疲れた。
I'm hyper-tired.
Prefix meaning 'intense' or 'extreme'. Often used with adjectives or verbs for emphasis.
激辛ラーメン
hyper-spicy ramen
To express 'hyper-' in formal, written, or technical contexts, such as medical or academic terms.
To describe a person who is hyperactive or has excessive energy.
Literally 'has no calmness', meaning restless or hyperactive. Common for describing children.
あの子は落ち着きがない。
That kid is hyper.
Medical term for hyperactivity, often in ADHD context.
多動性障害
hyperactivity disorder
While ハイパー (haipā) exists as a loanword, it is mainly used in specific terms like ハイパーリンク (hyperlink) or in marketing. For general 'excessive' meaning, use native prefixes.
ハイパーインフレ
hyperinflation
超 (chō) is casual and common in everyday speech. 過 (ka) is formal and used in technical or medical terms. Choose based on context.