心配をする

Grammatically, this is a 'suru-verb' that has been split by the particle を (o). You’ll often hear people say just 心配する (shinpai suru), which is the shorter, more common version. However, adding the を makes the 'worry' feel more like a specific thing you are doing. It’s common in negative sentences like 心配をしないで (shinpai o shinai de), which means 'Please don't worry.' You use the particle に (ni) or で (de) to point to what’s bothering you. For example, 将来に心配をする (shinpai o suru about the future). Pro tip: if you want to sound extra natural, use it when you're talking about someone else's feelings or when you're emphasizing the *amount* of worry, like 'Stop doing so much worrying!'

Imagine you're traveling in Tokyo and your phone battery hits 1%. You’d definitely 心配をする about finding your hotel. Or think about a TikTok creator checking their comments after posting a controversial take; that's prime shinpai territory. In a text message, you might send 心配をかけてごめん (Sorry for making you worry) if you forgot to reply to your bestie for ten hours. It’s the bread and butter of human connection in Japan—showing you care by acknowledging the anxiety. Even in mundane moments, like wondering if you left the stove on, this phrase pops up in your internal monologue.

You should pull this phrase out whenever there is a genuine risk or a person you care about involved. It's perfect for health scares, exam results, or when a friend is going through a breakup. It shows you are an empathetic person. In a job interview, you might say you 心配をする about details to show you are thorough (though use it carefully so you don't sound like a nervous wreck!). It’s the 'I’ve got your back' phrase of the Japanese language. If you're watching a suspenseful Netflix show and the main character enters a dark basement, you are definitely 心配をしている.

Don't use 心配をする for things that are just 'scary' in a 'horror movie' way—that's kowai. Also, avoid it for trivial choices where there's no real emotional stakes. You wouldn't 'worry' about whether to get vanilla or chocolate ice cream (unless you have a life-threatening cocoa allergy, of course). It’s also not the right word for 'regret.' If you already failed the test, you don't shinpai about it; you're just sad. Shinpai is almost always looking forward at a potentially bad outcome that hasn't fully happened yet. Don't 'worry' about the past—Japanese people have other words for that headache!

One huge mistake is using shinpai when you mean 'excited' or 'nervous' in a good way. If you're about to go on a first date, you might feel 'nervous' (kincho suru), but if you say you're shinpai, your friend will think you're afraid the date will be a total disaster.

• ✗ 楽しみだから心配をする (I'm excited so I'm worrying) → ✓ 楽しみだけど緊張する (I'm excited but nervous).

Another mistake is forgetting the o or suru.

• ✗ 私は心配だをする → ✓ 私は心配をする.

Keep the structure clean, and you’ll avoid looking like a confused robot. Also, don't confuse it with fuan, which is more of a vague, 'I feel weirdly anxious' vibe without a specific target.

You’ve got 心配する (shinpai suru), which is the 'fast food' version—shorter and used 90% of the time. Then there’s 不安になる (fuan ni naru), which means 'to become anxious.' Fuan is more like a dark cloud hanging over you, while shinpai is a specific fear about a specific thing. 気になる (ki ni naru) is another great one; it means something is 'on your mind' or you're 'curious/bothered' by it. It’s much lighter than shinpai. If you're just wondering if it will rain, use ki ni naru. If you're terrified your outdoor wedding will be washed away, use 心配をする.

The most useful variation is 心配をかける (shinpai o kakeru), which means 'to cause someone worry.' You'll use this constantly to apologize to your parents or teachers. Another one is 心配性 (shinpai-shou), which describes a person who is a 'worrywart.' We all have that one friend who checks their passport twenty times before leaving for the airport—that's a total shinpai-shou move. You can also say 心配でたまらない (shinpai de tamaranai), which means you're so worried you can't stand it. It’s the 'drama queen' version of the phrase.

Is 心配をする more formal than 心配する?

Actually, it's just a bit more emphatic. Adding the を (o) draws more attention to the 'worry' as a noun. It's like the difference between saying 'I worry' and 'I am doing some worrying.' Both are fine in casual and polite speech.

Can I use it for my dog?

Absolutely! If your Shiba Inu eats a chocolate bar, you are 100% 心配をする. Pets are family, and shinpai is all about family vibes.

Does it mean 'I'm sorry'?

Not by itself, but it's often used *with* an apology. Saying 'I worried' can be a way to show you care after a mistake was made. It's like saying 'I was so concerned for you!' which is a very high-tier way to apologize in Japan.