guard duty: meaning, definition, pronunciation and examples
B2Formal / Military / Institutional
Quick answer
What does “guard duty” mean?
The specific period of time or assigned task where a person is posted to keep watch, protect a place or person, and prevent unauthorized access or attack.
Audio
Pronunciation
Definition
Meaning and Definition
The specific period of time or assigned task where a person is posted to keep watch, protect a place or person, and prevent unauthorized access or attack.
A state or period of responsible vigilance, often used metaphorically to describe a tedious, watchful responsibility.
Dialectal Variation
British vs American Usage
Differences
Primarily lexical. US usage more strongly associated with military/formal security contexts. British usage slightly more likely in metaphorical/extended civilian contexts (e.g., 'babysitting guard duty').
Connotations
In both varieties, strongly connotes routine, boredom, and formal responsibility. No significant difference in connotation.
Frequency
Higher frequency in US English due to larger military discourse presence in media.
Grammar
How to Use “guard duty” in a Sentence
be on guard dutypull guard dutystand guard dutybe assigned guard dutytake over guard dutyVocabulary
Collocations
Examples
Examples of “guard duty” in a Sentence
verb
British English
- He will guard duty the main gate. (INCORRECT - 'guard duty' is not a verb)
American English
- He is scheduled to guard-duty the perimeter. (INCORRECT - 'guard duty' is not a verb)
adverb
British English
- He worked guard-dutifully. (Rare/Non-standard)
American English
- He performed guard-duty style. (Non-standard)
adjective
British English
- The guard-duty roster is on the board.
- He missed the guard-duty briefing.
American English
- Check the guard-duty schedule.
- It's a standard guard-duty assignment.
Usage
Meaning in Context
Business
Rare. Might be used metaphorically for 'monitoring a situation' (e.g., 'He's on guard duty for any market fluctuations').
Academic
Very rare, except in historical/military studies discussing troop activities.
Everyday
Used for assigned watching tasks, e.g., parental supervision of sleeping children, or watching a colleague's belongings.
Technical
Standard term in military, security, and corrections operational procedures.
Watch out
Common Mistakes When Using “guard duty”
- *I have a guard duty tonight. (Correct: I have guard duty tonight / I'm on guard duty tonight.)
- Confusing 'guard duty' (the assignment) with 'standing guard' (the action).
FAQ
Frequently Asked Questions
It is a two-word compound noun, not hyphenated in modern usage.
Generally, no. It is typically used as an uncountable noun (e.g., 'I have guard duty'). You can make it countable with a specifier (e.g., 'a two-hour guard duty'), but this is less common.
'Guard duty' emphasises the formal assignment or scheduled period. 'Watch' can be the same but is often shorter or more nautical. 'Watch' can also be the action ('keep watch'), while 'guard duty' is specifically the role.
It is metaphorical/humorous. You might say 'The dog seems to be on guard duty' to imply it is behaving like a sentry.
The specific period of time or assigned task where a person is posted to keep watch, protect a place or person, and prevent unauthorized access or attack.
Guard duty is usually formal / military / institutional in register.
Guard duty: in British English it is pronounced /ˈɡɑːd ˌdjuːti/, and in American English it is pronounced /ˈɡɑrd ˌduːti/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Pull the graveyard shift (related, for night duty)”
Learning
Memory Aids
Mnemonic
Imagine a GUARD in a uniform, looking at his DUTY roster on the wall. The two D's link: 'Guard Duty Demands Diligence'.
Conceptual Metaphor
RESPONSIBILITY IS A BURDEN / VIGILANCE IS A POST.
Practice
Quiz
In which context is 'guard duty' LEAST likely to be used?