vigilant

Used to specify the subject or area of watchfulness.

Used to specify the threat or danger one is watchful for.

A common way to intensify the adjective 'vigilant'.

Always watchful, without interruption.

To be watchful to a very high degree.

A more formal or literary way of saying 'always watchful'.

Watchful in a particular situation or context.

Emphasizes the need for watchfulness in a specific area.

Used to describe the state of being watchful and alert.

Emphasizes staying in a state of watchfulness over time.

A common instruction or advice to maintain alertness.

Implies a continuous effort to remain watchful.

Describes the process of starting to be watchful.