17 on duty synonyms include not working, at leisure, on leave, on annual leave, off, off work, free, on holiday, working, and at work. On duty is a preposition, and its antonyms are off duty and inactive. Here are some additional synonyms for "on duty" with example sentences.
17 other ways to say on duty.
Firefighters are often on duty overnight.
He remains focused while on duty.
Nurses are always on duty, caring.
The officer is currently on duty.