coastguard: meaning, definition, pronunciation and examples
B2Formal/Informal (context-dependent), Official
Quick answer
What does “coastguard” mean?
A maritime organization whose primary duty is to ensure safety at sea, enforce maritime law, conduct search and rescue operations, and protect the coastal environment.
Audio
Pronunciation
Definition
Meaning and Definition
A maritime organization whose primary duty is to ensure safety at sea, enforce maritime law, conduct search and rescue operations, and protect the coastal environment.
May also refer to a member of such an organization or, in a narrower historical sense, to a force that watches the coast to prevent smuggling or to enforce customs regulations.
Dialectal Variation
British vs American Usage
Differences
Spelling: In British English, it is almost exclusively written as one word: 'coastguard'. In American English, it is predominantly written as two words: 'Coast Guard' (especially when referring to the official organization, the United States Coast Guard). However, 'coastguard' (one word) is also seen in American usage in more generic contexts. Capitalization: The official name 'United States Coast Guard' is always capitalized. In British English, 'HM Coastguard' is officially capitalized, but generic references are often lower-case.
Connotations
In the US, the 'Coast Guard' is a highly respected armed service branch with military, law enforcement, and humanitarian roles. In the UK, 'HM Coastguard' is primarily a civilian search and rescue organization, with less emphasis on a military role.
Frequency
Similar overall frequency, but 'Coast Guard' (two words) is significantly more frequent in US corpora due to its status as an official branch of the military.
Grammar
How to Use “coastguard” in a Sentence
The coastguard VERBed the NOUN (e.g., rescued the sailors).We had to call/contact the coastguard.The coastguard was/were alerted to the incident.Vocabulary
Collocations
Examples
Examples of “coastguard” in a Sentence
verb
British English
- (Not standard as a verb. Use 'to guard the coast' or 'to patrol').
American English
- (Not standard as a verb. The related verb is 'to coastguard' is obsolete/rare).
adverb
British English
- (Not used as an adverb)
American English
- (Not used as an adverb)
adjective
British English
- The coastguard station was busy.
- They followed coastguard protocols.
American English
- She had a Coast Guard background.
- It was a Coast Guard-approved lifejacket.
Usage
Meaning in Context
Business
Rare. Might appear in shipping insurance or maritime logistics contexts.
Academic
Appears in maritime studies, law of the sea, or historical papers on smuggling.
Everyday
Common in news reports about sea rescues, boating accidents, or environmental incidents.
Technical
Core term in maritime safety, navigation, and search and rescue (SAR) protocols.
Vocabulary
Synonyms of “coastguard”
Strong
Neutral
Weak
Vocabulary
Antonyms of “coastguard”
Watch out
Common Mistakes When Using “coastguard”
- Using a plural verb for the organization as a whole (e.g., 'The coastguard are coming' – common in UK English as a collective noun, but 'is' is also correct). In US English, 'The Coast Guard is...' is standard.
- Misspelling as two words in UK contexts or one word in formal US organizational references.
- Capitalizing generically (e.g., 'we called the Coastguard' – often unnecessary in UK English).
FAQ
Frequently Asked Questions
It is primarily the name of the organisation (e.g., HM Coastguard). Informally, it can refer to a member of that organisation (e.g., 'a coastguard'), but terms like 'coastguard officer' are often used for clarity.
Generally, a Navy is a military force focused on national defence and warfare at sea. A Coast Guard is a multi-role maritime service focused on domestic law enforcement, safety, search and rescue, and environmental protection, though some (like the USCG) also have military roles.
Follow the convention of your variety: one word ('coastguard') for UK/international English in generic use; two words ('Coast Guard') when referring specifically to the United States Coast Guard. Always check official sources.
Yes, in many countries, coastguards have law enforcement powers (e.g., for fisheries laws, anti-smuggling, immigration) and can detain individuals and vessels. The extent of these powers varies by nation.
A maritime organization whose primary duty is to ensure safety at sea, enforce maritime law, conduct search and rescue operations, and protect the coastal environment.
Coastguard is usually formal/informal (context-dependent), official in register.
Coastguard: in British English it is pronounced /ˈkəʊstɡɑːd/, and in American English it is pronounced /ˈkoʊstˌɡɑrd/ (two-word variant identical). Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “(None directly, but related phrases) 'Answer the call of the Coast Guard' (US recruitment slogan).”
Learning
Memory Aids
Mnemonic
Think of the COAST + GUARD: they GUARD the COAST and those near it.
Conceptual Metaphor
THE COASTGUARD IS A SHIELD (protecting the coastline and mariners from danger).
Practice
Quiz
Which of the following is the most accurate description of a primary coastguard role?