注意深い
ちゅういぶかい
adjective (i)
careful; cautious; attentive
Conjugation
| Affirmative | Negative | |
|---|---|---|
| Present | 注意深い | 注意深くない |
| Past | 注意深かった | 注意深くなかった |
| て form | 注意深くて | 注意深くなくて |
| Adverbial | 注意深く | — |
| Conditional ば | 注意深ければ | 注意深くなければ |
| Conditional たら | 注意深かったら | 注意深くなかったら |
1.
careful; cautious; attentive; watchful
Describes a person or action characterized by paying close attention and taking care to avoid mistakes or danger.
彼は注意深い人だ。
He is a careful person.
注意深く説明書を読んでから組み立てた。
I carefully read the instructions before assembling it.
注意深い観察のおかげで、小さな異変にも気付くことができた。
Thanks to careful observation, I was able to notice even small irregularities.
注意深い is an i-adjective meaning careful or attentive. Formed from 注意 (caution) + 深い (deep).
FORMS:
- Adverbial: 注意深く
- Negative: 注意深くない
COMMON COLLOCATIONS:
- 注意深く観察する: to observe carefully
- 注意深い人: a careful person
- 注意深く読む: to read carefully
- 注意深く選ぶ: to choose carefully
SIMILAR WORDS:
- 慎重: cautious, prudent (na-adjective; emphasizes deliberation before acting)
- 丁寧: careful, polite (na-adjective; emphasizes thoroughness and precision)
REGISTER:
Somewhat formal. In casual speech, 気をつける (to be careful) or 慎重 are more common.