Last Updated：2025/11/20

Alert and paying close attention; watchful. / Diligently attentive in observing a law, custom, duty or principle; regardful; mindful.

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observant

Source Word

observant

IPA(Pronunciation)

Alert and paying close attention; watchful. / Diligently attentive in observing a law, custom, duty or principle; regardful; mindful.

Japanese Meaning

注意深く、周囲に気を配っている / 見張りを怠らない、観察力がある / 法律、習慣、義務、原則などを忠実に守る

The observant student noticed the small change in the experiment before anyone else.

注意深い学生は、誰よりも先に実験の小さな変化に気づいた。

Sense（1）

Alert and paying close attention; watchful.

The observant police officer noticed that my tax disk was out-of-date.

Sense（2）

Diligently attentive in observing a law, custom, duty or principle; regardful; mindful.

I was normally observant of the local parking restrictions.

more observant

（ comparative ）

most observant

（ superlative ）