22 Japanese ways to say “That’s scary!”

Ever felt a chill run down your spine and just blurted out, “That’s scary!”? Well, in Japanese, there are tons of ways to say it, each adding a little flavor or emotion to your reaction.

Whether you’re watching a horror movie, exploring a haunted spot, or just surprised by something eerie, knowing different ways to express fear can make your Japanese sound so much more natural and fun.

In this list, we’ll dive into 22 Japanese expressions for “That’s scary!” from casual to formal, and even some native-like phrases you might not learn in textbooks.

You’ll get pronunciation guides and little tips so you can remember them easily and use them like a pro in your next conversation.

Ready to add some spooky spice to your Japanese? Let’s jump right in!

And hey, if you want to dive deeper, check out this collection of Japanese horror movies to catch these expressions in action!

Understanding “Scary” in Japanese

Before we jump into the list, it’s good to know that the most common word for “scary” in Japanese is 怖い (こわい, kowai), which literally means “frightening” or “fearful.”

But Japanese language is rich with nuances, so you’ll find expressions that convey different kinds of fear, surprise, or even playful spookiness.

Sometimes the context or tone changes the impact, so keep an ear out when you watch or chat!

If you want to start with a handy phrasebook that covers emotions and reactions, a beginner Japanese phrasebook is a great resource.

It helps you get familiar with the basics before you explore more colorful expressions.

And don’t worry — we’ll keep things fun and easy!

Part 1: Casual Suggestions

1. 怖い！ (こわい, Kowai!) – “Scary!”

This is the classic, straightforward way to say “That’s scary!” in Japanese.

Use it when you want to express genuine fear or surprise. It’s short, simple, and gets straight to the point.

Perfect for beginners and great for nearly any scary situation.

Just saying “Kowai!” can often capture your whole reaction!

Related phrase: “怖かった” (kowakatta) means “It was scary” for past tense.

Once you get comfortable with this, you’ll start to recognize it everywhere—movies, conversation, and even manga!

2. こわっ！ (Kowa!) – “Scaaary!” (slang, casual)

This is a super casual, slangy way to say “That’s scary!”

Dropping the い (i) sound makes it sound more spontaneous and less formal—perfect among friends or younger people.

It’s like saying “scaaary!” in English, drawing out the feeling.

Use it when you want to sound lively and natural.

Keep in mind this is very casual; avoid using it with strangers or in formal settings.

Try it when watching a scary video with friends for a fun vibe!

3. やばい！ (Yabai!) – “Oh no! That’s scary!”

“Yabai” is a catch-all slang that can mean “dangerous,” “amazing,” or “scary,” depending on the context.

When used for fear, it expresses a strong reaction, like “Whoa, that’s scary!”

It’s very common among young Japanese people and sounds natural in casual conversation.

Because it’s versatile, be mindful of tone and situation.

Want to sound like a native? Practice “Yabai” for many emotions!

It’s a handy word to add to your daily Japanese toolkit.

4. びっくりした！ (Bikkuri shita!) – “I got surprised!”

Literally meaning “I was surprised,” this phrase is perfect when fear is mixed with shock.

It’s great for moments when something suddenly scares you but isn’t seriously frightening.

It’s a natural way to express startled surprise in Japanese.

“Bikkuri” means surprise, and “shita” is past tense of “do.”

Use it when you want to say “That scared me!” in a lighthearted way.

It’s often used in everyday conversations and reactions.

5. こわいよ〜 (Kowai yo~) – “It’s scary, you know~” (softened)

This phrase adds よ (yo) at the end to give a gentle emphasis.

The 〜 (elongation) softens the expression, making it sound more like sharing your feelings than just stating a fact.

Use it when you want to hint that something is scary but in a cute or slightly playful way.

It’s perfect for casual or friendly settings.

Adding the extra tone makes your speech sound warm and relatable.

Try this one when chatting with close friends or family.

6. 怖すぎる！ (こわすぎる, Kowasugiru!) – “Too scary!”

“Kowasugiru” combines “kowai” (scary) and “sugiru” (too much/overly).

It’s great to express something is overwhelmingly scary.

Use it when you’re genuinely spooked and want to emphasize the intensity.

It’s a little more expressive than just “kowai.”

Try it when you watch a horror scene that really freaks you out.

It’s common in casual conversations and online comments.

7. マジ怖い！ (Maji kowai!) – “Seriously scary!”

“Maji” means “seriously” or “really,” making this phrase a strong way to say “That’s seriously scary!”

It’s casual but adds an extra punch.

Perfect to express genuine fear or disbelief.

Use it with friends or in informal settings.

It’s popular in youth culture and social media.

Combining “maji” with “kowai” makes your reaction feel more intense.

8. ちょっと怖い… (Chotto kowai…) – “A little scary…”

This phrase means “a little scary” and is great when you’re mildly uneasy.

“Chotto” means “a little” or “somewhat,” so it tones down the fear.

Use it when you want to express mild fear without overreacting.

It’s perfect for casual, everyday use.

Try this when you want to sound honest but not too dramatic.

It’s also useful to soften your feelings when talking to others.

Part 2: Polite & Formal Suggestions

9. 恐ろしいです (おそろしいです, Osoroshii desu) – “It’s frightening.” (formal)

“Osoroshii” is a more formal and literary word for scary or frightening.

Adding “です” (desu) makes it polite.

Use this in formal conversations or when you want to sound respectful.

It’s a bit heavier than “kowai,” often used for serious situations.

Great for work, presentations, or polite storytelling.

It shows you have a good command of formal Japanese expressions.

10. 怖いですね (Kowai desu ne) – “It’s scary, isn’t it?” (polite)

This phrase adds “です” for politeness and “ね” to invite agreement.

It’s a friendly, polite way to share your fear and invite empathy.

Perfect for casual but respectful conversations.

“Ne” softens the tone and makes it conversational.

Use this when you want to be polite but still sound natural.

Try it when talking about scary news or events with acquaintances.

11. 恐怖を感じます (きょうふをかんじます, Kyoufu o kanjimasu) – “I feel fear.” (formal)

This is a formal way to say you “feel fear.”

“恐怖” (kyoufu) means “fear” or “terror,” and “感じます” (kanjimasu) means “to feel.”

It’s perfect for serious or academic contexts.

This phrase sounds respectful and clear.

Use it when describing feelings in a formal setting.

It’s less emotional and more descriptive than casual phrases.

12. 怖がっています (こわがっています, Kowagatte imasu) – “(Someone) is scared.” (polite)

“Kowagatte imasu” is the polite continuous form, meaning “(someone) is scared.”

Use this when talking about someone else’s fear politely.

It’s often used in polite storytelling or news.

Good for showing empathy with respect.

It’s a handy phrase when discussing feelings in a gentle way.

Try it when describing a scared friend or family member.

13. 恐ろしい思いをしました (おそろしいおもいをしました, Osoroshii omoi o shimashita) – “I had a frightening experience.” (formal)

This polite phrase means “I had a frightening experience.”

“恐ろしい” (osoroshii) means frightening, “思い” (omoi) means feeling or experience, and “しました” is past tense polite form.

It’s perfect for formal recounting of scary events.

Use it when telling stories or in writing.

This phrase sounds mature and respectful.

Great for interviews or formal discussions about fear.

14. ぞっとします (Zotto shimasu) – “I get chills.” (polite)

“Zotto shimasu” means “I get chills,” often used to express shuddering fear.

It’s polite and can describe subtle fear or discomfort.

Use it when something creeps you out but doesn’t outright terrify you.

This expression paints a vivid emotional picture.

It’s common in storytelling and polite conversations.

Try it when you want to sound a bit more poetic about fear.

15. 恐怖ですね (きょうふですね, Kyoufu desu ne) – “It’s terrifying, isn’t it?” (polite)

This is a polite way to say “It’s terrifying, isn’t it?”

“Kyoufu” means “terror,” and “ですね” adds politeness and invites agreement.

It’s useful when discussing genuinely frightening situations respectfully.

Use it with acquaintances or in formal discussions.

The phrase sounds serious and empathetic.

Great for news commentary or serious conversations.

16. 恐れ入りますが怖いです (おそれいりますがこわいです, Osore irimasu ga kowai desu) – “Excuse me, but that’s scary.” (very polite)

This is a very polite and humble way to say “That’s scary.”

“Osore irimasu” is a humble phrase meaning “excuse me” or “I’m sorry,” often used to soften statements.

Combine it with “kowai desu” for a respectful expression of fear.

Use it in business or very formal settings.

It’s rare but excellent for showing politeness even when sharing discomfort.

Perfect for delicate conversations involving fear or concern.

Part 3: Very Casual / Native-like Expressions

17. ぎゃー！こわい！ (Gyaa! Kowai!) – “Eek! Scary!” (exclamation)

This is an informal, very expressive way to shout “Scary!”

“Gyaa” mimics a scream, and “kowai” follows right after for emphasis.

Use it when reacting dramatically to something frightening.

It’s playful and natural, often used in manga or casual speech.

Perfect for moments when you want to exaggerate your fear humorously.

Try it with friends to add fun to your reactions.

18. ヤバすぎ怖い (Yabasugi kowai) – “Way too scary!” (very casual)

“Yabasugi” means “too extreme” or “way too much,” combined with “kowai” for a strong, casual phrase.

It’s popular among young people for expressing intense fear.

Use it when something really freaks you out.

It’s slangy and best reserved for informal situations.

Perfect for social media posts or casual chats.

Try this phrase to sound like a native youth!

19. こわっちい！ (Kowacchii!) – “Scary!” (cute, slang)

“Kowacchii” is a cute, slangy way to say “scary.”

It softens “kowai” with a playful twist, often used by young women or in kawaii culture.

Use it when you want to sound adorable yet scared.

Great for texting or chatting with close friends.

It’s not formal but adds personality to your speech.

Perfect for lighthearted scary moments!

20. ひぇー、怖い怖い！ (Hiee, kowai kowai!) – “Eek, scary scary!” (playful)

This phrase doubles “kowai” for extra emphasis with a playful “hiee” scream.

It’s very casual and used to exaggerate fear lightly.

Perfect for fun or teasing moments with friends.

It sounds natural in everyday conversation.

Try saying it with a smile to keep the mood light.

Great expression for online chats and casual speech.

21. まじで怖いって！ (Majide kowai tte!) – “I’m seriously scared!” (casual)

“Majide” means “seriously,” and “tte” adds emphasis like “I’m telling you.”

This phrase expresses genuine fear casually and directly.

It’s common in spoken Japanese among friends.

Use it when you want to stress your fear informally.

It’s a dynamic way to share your feelings.

Perfect for storytelling or sharing spooky moments.

22. ガチ怖い (Gachi kowai) – “Really scary!” (slang)

“Gachi” means “serious” or “real,” so this phrase means “really scary.”

It’s slangy and often used by younger people for strong emphasis.

Use it when something genuinely terrifies you.

Be mindful this is very casual and not for formal use.

It’s perfect for sharing horror stories or intense experiences.

Great for sounding like a native speaker among friends.

Concluding Thought

Exploring these 22 ways to say “That’s scary!” in Japanese shows just how rich and varied the language can be when expressing emotions.

From the simple “kowai” to playful slang and formal phrases, you now have plenty of tools to share your feelings naturally.

So next time something spooky happens, you’ll know exactly how to say it—and maybe even impress some native speakers along the way!