Translation guide
Describes hair that is messy, uncombed, or untidy. Japanese has several expressions depending on the degree and cause of messiness.
髪が乱れています。
My hair is disheveled.
寝癖がついています。
I have bedhead.
Describe hair that is generally messy, unkempt, or not neatly combed.
A common, neutral way to say hair is disheveled or messy. Can be used for both intentional and unintentional messiness.
風で髪が乱れてしまった。
My hair got disheveled from the wind.
His hair is always disheveled.
Specifically refers to bedhead or hair messed up from sleeping. Very common in daily conversation.
朝起きたら寝癖がひどかった。
When I woke up, my bedhead was terrible.
寝癖を直すのに時間がかかった。
It took time to fix my bedhead.
Onomatopoeic word for bushy, unkempt, or frizzy hair. Often implies a dry, puffy messiness.
髪がボサボサだね。
Your hair is all bushy/messy.
ボサボサの髪をとかした。
I combed my bushy hair.
Onomatopoeic for crumpled, ruffled, or tousled. Often used for hair that has been intentionally or playfully messed up.
子供が髪をくしゃくしゃにした。
The child messed up my hair.
くしゃくしゃの髪がかわいい。
Tousled hair is cute.
Literary or formal term for disheveled or shaggy hair. Rarely used in everyday speech.
彼の蓬髪が風に揺れていた。
His disheveled hair swayed in the wind.
Focus on stray hairs, flyaways, or parts that stick out instead of lying flat.
Describes hair that is sticking out or flipping up, often at the ends. Common for flyaways or cowlicks.
後ろの髪がはねているよ。
Your hair is sticking out in the back.
湿気で髪がはねてしまう。
My hair gets flyaways from humidity.
Slang for those short, wispy hairs that stick up on the top of the head. Literally 'stupid hair'.
アホ毛が立ってるよ。
You have a stray hair sticking up.
「髪が乱れている」 is a general, neutral description of messy hair. 「ボサボサ」 emphasizes a dry, bushy, unkempt look, often with a negative nuance. 「寝癖」 specifically means hair messed up from sleeping and is very common in morning routines.
Direct translations like 「乱れた髪」 are grammatically possible but sound unnatural as a standalone phrase. Use the full sentence pattern 「髪が乱れている」 or specific terms like 「寝癖」.