馬鹿
baka[ba̠ka̠]
baka is the Japanese phrase for fool.
The word 馬鹿 can mean fool or idiot. It is a common and straightforward way to say fool in an informal setting. While it can be a genuine insult, it is frequently used among close friends as a playful or affectionate way to call someone a dummy.
Which one should you use?
Compared to the more aggressive insult temee, 馬鹿 is relatively mild and can range from a lighthearted tease to a genuine insult depending on tone.
Is there a formal and an informal way to say it?
馬鹿 is an informal term and should be avoided in professional or formal settings.
How do you pronounce it?
baka
Did you know?
- The word baka might actually be a way to write a Sanskrit word for 'folly' using Japanese characters. This would mean the word's roots are not Japanese at all, but from ancient India.
- When used as a prefix in words like baka-dekai, baka loses its meaning of 'fool' and instead acts as an intensifier meaning 'extremely'.
- Depending on the region, baka can be an affectionate tease in Tokyo but a severe and offensive insult in Osaka.
Examples in context
- ばか！なんで飲み物をこぼしたんだよ？Baka! Why did you spill your drink?
- あいつは本当に馬鹿だな。Aitsu wa hontou ni baka da na.That guy is a real idiot.
- 馬鹿なことを言わないでください。Baka na koto o iwanai de kudasai.Please don't say such foolish things.
- そんなの馬鹿みたいだよ。Sonna no baka mitai da yo.That sounds ridiculous.
Example conversation
Yota and Yui are talking about a silly mistake Yota made.
- 結衣 Yui信じられない。馬鹿じゃない？Shinjirarenai. Baka janai?I can't believe it. Are you an idiot?
- 陽太 Yotaわざとじゃないよ。Wazato janai yo.I didn't do it on purpose.
- 結衣 Yui本当に馬鹿なんだから。Hontou ni baka nandakara.You really are a fool.
- 陽太 Yotaもう、怒らないでよ。Mou, okoranaide yo.Geez, stop being angry.
Sources
- Pronunciation: Wiktionary entry 馬鹿, CC BY-SA 4.0, dump of 2026-09-26.
