watchfulness

countable uncountable

The state or quality of being watchful; alertness, vigilance or wakefulness.

Japanese Meaning

警戒心 / 注意深さ / 用心深さ

The watchfulness of the night guard prevented several break-ins at the warehouse.

夜勤の警備員の警戒心が倉庫での数件の侵入を防いだ。

Sense（1）

The state or quality of being watchful; alertness, vigilance or wakefulness.

Continuous watchfulness is maintained around the clock.

watchfulnesses

（ plural ）