What Is “Bikkuri”? The Japanese Sound of Surprise — Almost Onomatopoeia

Ever turned around and suddenly saw someone standing right behind you?

Or heard a loud noise that made your heart jump?

That’s when the Japanese word “Bikkuri” comes in — a common, emotional reaction word meaning “surprised!”
Even though it sounds like an onomatopoeia, it’s not officially categorized as one — it’s an almost onomatopoeia, mimicking a startled response.

Before we dive in, hear what it sounds like!

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What is “Bikkuri” (びっくり)?

“Bikkuri” expresses a reaction of sudden surprise or shock.

It’s used when you’re startled — emotionally or physically — by something unexpected.
Unlike true sound-symbolic words, “bikkuri” behaves like a verbal noun:
e.g. bikkuri suru (to be surprised).

Pronunciation

bik-ku-ri
(A quick “bi!” and a soft ending — like the jump in your chest when surprised.)

Categories

Emotion

What Does “Bikkuri” Look Like?

It looks like wide-open eyes.
A jump backward.
A gasp — or a freeze — when caught off guard.

How Do You Say It?

Say it with a little breath of shock:
Bikkuri shita!
“I was surprised!”

Or softly to yourself:
Bikkuri…
(“Oh wow…”)

Examples in Daily Life

Example 1: Surprise encounter

He turned around —
and someone was standing right there!
Bikkuri shita…!

illustration of sound word, bikkuri, びっくり

Example 2: Unexpected result

She opened the envelope
and found she’d won the prize!
Bikkuri!

illustration of sound word, bikkuri, びっくり

Cultural Note

Unlike the short shock-like “Biku!” (which is a true onomatopoeia),
“Bikkuri” is a reaction word that became widely used like a verb: Bikkuri Suru (to be startled).
That’s why it’s considered an almost onomatopoeia.

In English, it might be:
“Whoa!” / “Oh my gosh!” / “I was startled!”

Watch & Feel the “Bikkuri” World!

Feel the “Bikkuri” — Surprise Moment

Try Using It!

Someone suddenly calls your name?
You hear thunder right outside the window?
Get a jump scare in a movie?

Try saying:
Bikkuri!

More Emotion-based Onomatopoeia:
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Naoboo
Welcome to this site — a soft and cozy space for you.
Here, Japanese onomatopoeic expressions are collected — each one like a tiny, sound-flavored candy, a little piece of the world shared gently and playfully.

I hope you’ll find a favorite or two to carry with you.
Thank you for visiting.

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