Have you ever seen hair that looks tangled and out of control?
Or a plant that has grown wildly without being trimmed?
That messy, unorganized appearance in Japanese is expressed as:
“Bosa Bosa” (ぼさぼさ)
Let’s hear how it sounds!
What is “Bosa Bosa” (ぼさぼさ)?
“Bosa Bosa” describes:
- Something that is messy and unkempt
- Lacking order or neatness
- Looking wild, rough, or untidy
It’s often used for:
- Hair that hasn’t been brushed
- Plants or trees growing unevenly
- Anything that looks neglected or disorganized

Pronunciation
boh-sah boh-sah
(Say it loosely — like something out of shape.)
Categories
Condition / Visual
What Does “Bosa Bosa” Look Like?
It looks like tangled, messy hair.
Like a bush growing in all directions.
Like something that hasn’t been taken care of.

How Do You Say It?
Say it casually:
Bosa bosa…
Like something that has lost its shape —
loose and uncontrolled.
Example in Daily Life
Example: Messy hair
He just woke up,
and his hair was all over the place —
bosa bosa…

Cultural Note
In English, you might say:
- “Messy”
- “Unkempt”
- “Disheveled”
But “bosa bosa” gives a clearer visual image:
Not just messy — but naturally spreading and uncontrolled
Something that looks neglected or unmaintained
Compared with similar words:
- Mosa Mosa もさもさ → thick, overgrown (volume-heavy)
- Bosa Bosa ぼさぼさ → messy, shapeless, untidy
Watch & Feel the “Bosa Bosa” World!
Feel the “Bosa Bosa” — Tangled Hair
Try Using It!
When hair is messy…
When something looks unkempt…
When things lose their shape…
Say it casually:
Bosa bosa〜


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