気が狂った
ki ga kurutta
In Japanese, the English word "crazy" can be expressed as 気が狂った (ki ga kurutta) or 頭がおかしい.
Meaning: insane, demented (adj)
Ways to say it
| Japanese | Romanization (Wiktionary) |
|---|---|
| 気が狂った | ki ga kurutta |
| 頭がおかしい | atama ga okashii |
The phrase 頭がおかしい is frequently used to describe someone acting in a bizarre, irrational or nonsensical manner, rather than strictly in a clinical sense.
What does it mean word for word?
気が狂った literally means "spirit/mind went mad", while 頭がおかしい literally means "the head is strange" or "the head is wrong".
Which one should you use?
気が狂った is a past-tense form describing a state of having lost one's mind, whereas 頭がおかしい is a present-tense description of someone's current mental state or behavior.
How does it change in a sentence?
The dictionary form of 気が狂った is 気が狂う.
How do you pronounce it?
ki ga kurutta
Did you know?
- The word 狂う (kurū), found in 気が狂う, is also used to describe a machine or a schedule that has gone 'out of order' or 'awry'.
- In Japanese pop culture, such as anime, characters often use the word 狂った to describe a 'crazy' obsession or a 'mad' level of skill, turning a negative state into a sign of intensity.
- In many contexts, describing someone as 頭がおかしい is considered a heavy social insult rather than a casual observation.
Examples in context
- 彼は気が狂った。He went crazy.This sentence shows how to use 気が狂った to describe someone going crazy.Tatoeba #108577 by bunbuku, translation #2768791 by CK
- 僕の母は頭がおかしい。My mother is crazy.This sentence uses 頭がおかしい to describe a person's mental state.Tatoeba #1107733 by Scott, translation #627252 by CM
- 多くの人が私を頭がおかしいと思っています。Many people think I'm crazy.This sentence uses 頭がおかしい to express how others perceive someone's behavior.Tatoeba #404563 by qahwa, translation #404962 by blay_paul
- 彼は狂っているHe is crazy.
- 彼の行動は正気ではないHis behavior is not sane.
- お前、ちょっと頭おかしいなYou're a bit crazy, huh?
- 1 more sentence on Tatoeba
Example conversation
Kenta and Misaki are discussing a strange man they saw at the park.
- 健太 Kentaあの人は本当に気が狂ったみたいだね。Ano hito wa hontō ni ki ga kurutta mitai da ne.That person seems truly insane, doesn't he?
- 美咲 Misakiうん、何を言っているのか全然わからなかったよ。Un, nani o itte iru no ka zenzen wakaranakatta yo.Yeah, I had no idea what he was saying.
- 健太 Kentaあんなに大声で叫ぶなんて、気が狂ったのかな。Anna ni ōgoe de sakebu nante, ki ga kurutta no kana.I wonder if he's gone crazy, screaming that loudly.
- 美咲 Misakiきっとそうだと思う。近づかないほうがいいよ。Kitto sō da to omou. Chikadzukanai hō ga ii yo.I'm sure he is. It's better not to go near him.
Sources
- Wiktionary, “crazy” translations and entries 頭がおかしい, CC BY-SA 4.0, dump of 2026-09-26.
- Example sentences: Tatoeba CC BY 2.0 FR.