What does すぎる (sugiru) mean?
→ すぎる means “too” or “excessively” in Japanese. It is used with adjectives to express that something is more than necessary (e.g., too expensive, too difficult).
This lesson teaches how to use Japanese すぎる (sugiru) to express “too” with adjectives, indicating something is excessive, like “too difficult” or “too expensive.”
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Key Points
- すぎる (sugiru): Means “to exceed” or “go too far.”
- い Adjectives: Drop い and add すぎます (sugimasu).
- な Adjectives: Drop な and add すぎます (sugimasu).
- Exception: “Good” (いい) becomes よすぎます (yo sugimasu).
What does すぎる (sugiru) mean?
すぎる (sugiru) means “to exceed” or “go too far,” and it is a When conjugating a RU verb, you only need to change the ending. The conjugation of すぎる (sugiru) is as follows.
- すぎる (sugiru) … Plain (Dictionary) Form
- すぎた (sugita) … Plain Past Form
- すぎます (sugimasu) … MASU Form
- すぎました (sugimashita) … MASU Past Form
- すぎて (sugite) … TE Form
How do you use すぎる with い Adjectives?
When you use すぎる (sugiru) with a い Adjective, you drop い and add すぎます (sugimasu) for Formal and すぎる (sugiru) for Informal.
For instance, たかい (takai) means “expensive.” Therefore, “too expensive” in Japanese is たかすぎます (takasugimasu: Formal) or たかすぎる (takasugiru: Informal).

Exception: “Good” – いい (ii)
いい (ii) “good” is a い Adjective, but it’s an exception and doesn’t follow the formation rule mentioned above.
Instead, replace いい (ii) entirely with よすぎます (yosugimasu: Formal) or よすぎる (yosugiru) for “too good.”
You apply this formation to any い Adjectives that have “good” in them, such as “good-looking.”

How do you use すぎる with な Adjectives?
When you use すぎる (sugiru) with a な Adjective, you drop な and add すぎます (sugimasu) for Formal and すぎる (sugiru) for Informal.
For instance, しずかな (shizukana) means “quiet.” Therefore, “too quiet” in Japanese is しずかすぎます (shizukasugimasu: Formal) or しずかすぎる (shizukasugiru: Informal).

Use Japanese すぎる (sugiru) with Adjectives
Let’s practice making some sentences using these rules.
Example Sentences
- “This shop is too expensive.”
- Japanese: このみせはたかすぎます (Kono mise wa taka sugimasu)
- “The countryside is too quiet.”
- Japanese: いなかはしずかすぎます (Inaka wa shizuka sugimasu)
- “This computer is too old.”
- Japanese: このパソコンはふるすぎます (Kono pasokon wa furu sugimasu)
- “My dog is too timid.”
- Japanese: うちのいぬはおくびょうすぎます (Uchi no inu wa okubyou sugimasu)
- “Japanese is too difficult.”
- Japanese: にほんごはむずかしすぎます (Nihongo wa muzukashi sugimasu)
Summary
すぎる means “too” or “excessively”
- すぎる means “too” or “excessively”
- Use it by:
- Dropping い for い adjectives
- Dropping な for な adjectives
- Remember the exception: いい → よすぎる “too good”
Conclusion
By following these simple rules, you can effectively use すぎる (sugiru) to express “too” with both い and な adjectives in Japanese. Practice creating sentences using these structures to become more comfortable with this grammar point.
Ready to go a little further?
If this lesson helped you understand how to use すぎる, you may enjoy learning it more deeply with guided practice.
In my course Japanese 5: Adjective Master Course, you will:
- Practice adjective patterns step by step
- Build confidence through clear, structured explanations
- Reinforce what you learn with example sentences and exercises

22 step-by-step video lessons
78 pages of clear, easy-to-follow materials
The course is designed to help you not just understand, but actually use Japanese more naturally.
I look forward to supporting you in your Japanese learning journey.
