Last Updated：2025/11/23

(idiomatic) Immediately when sighted. / (by extension) Immediately something has come to one's attention.

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on sight

Source Word

on sight

Prepositional phrase

idiomatic broadly

(idiomatic) Immediately when sighted. / (by extension) Immediately something has come to one's attention.

Japanese Meaning

発見されたらすぐに対応すること、つまりその場で即座に行動を起こすこと / 何かが目に留まった瞬間にすぐ反応を示すさま

Employees are required to report any safety hazard on sight to prevent accidents.

従業員は事故を防ぐために、安全上の危険を見つけ次第報告する必要があります。

Sense（1）

(idiomatic) Immediately when sighted.

I recognized him on sight.

Sense（2）

(by extension) Immediately something has come to one's attention.

He dismissed the idea on sight.