On/off duty
phrase
Being currently in the period of time when you are officially performing your job duties or tasks.
As a police officer, he is always responsible for protecting the public, even when he is off duty.

Often appears as...
- officer on duty
- call someone on duty
phrase
Not being currently in the period of time when one is officially expected to perform job duties or tasks.
I am off duty now, so I can't help with the situation at work.

Often appears as...
- officer off duty
- not currently on duty
phrase
Being currently in the period of time when you are officially performing your job duties or tasks.
As a police officer, he is always responsible for protecting the public, even when he is off duty.

Often appears as...
- officer on duty
- call someone on duty
phrase
Not being currently in the period of time when one is officially expected to perform job duties or tasks.
I am off duty now, so I can't help with the situation at work.

Often appears as...
- officer off duty
- not currently on duty
Definition 1 of 2

Professional Responsibility
Indicates readiness to perform job-related tasks or respond to work matters.

The security guard remained on duty throughout the night.
Expected Presence
Suggests that someone should be present at a specific place for their work.

The nurse on duty was in the hospital ward.
Active Engagement
Describes someone currently involved in work activities or operations.

The lifeguard on duty promptly jumped in to save the swimmer.
Professional Responsibility
Indicates readiness to perform job-related tasks or respond to work matters.

The security guard remained on duty throughout the night.
Expected Presence
Suggests that someone should be present at a specific place for their work.

The nurse on duty was in the hospital ward.
Active Engagement
Describes someone currently involved in work activities or operations.

The lifeguard on duty promptly jumped in to save the swimmer.
Professional Responsibility
Indicates readiness to perform job-related tasks or respond to work matters.

The security guard remained on duty throughout the night.
Expected Presence
Suggests that someone should be present at a specific place for their work.

The nurse on duty was in the hospital ward.
Active Engagement
Describes someone currently involved in work activities or operations.

The lifeguard on duty promptly jumped in to save the swimmer.
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