nautical

nautical — adjective

1. describing anything to do with the sea, ships, and the skills or equipment used

1.adjectiveB2
Definition

describing anything to do with the sea, ships, and the skills or equipment used for sailing and navigating on water.

Example

Theo studied nautical charts before sailing across the Pacific Ocean.

collocation: nautical chart — a map for sea travel

Aiko learned nautical skills like tying knots and reading a compass at summer camp.

adjective used before noun: nautical skills

Common collocations
  • nautical chart
  • nautical mile
  • nautical equipment
  • nautical skills
  • nautical theme
  • nautical compass
  • nautical navigation
  • nautical map
Synonyms
  • maritime

    more formal and often used for laws, trade, or history involving the sea (maritime law, maritime history)

  • marine

    focuses on the sea itself or things living in it (marine life, marine biology) rather than ships and sailing

  • naval

    specifically about a nation's military navy, not recreational or commercial sailing

  • seafaring

    describes people or cultures who travel by sea; 'seafaring' is typically used for people, 'nautical' for things

Antonyms

Grammar Patterns

nautical + noun

Usage Note

Almost always placed before a noun (attributive position). Rarely used after a linking verb; for example, you would say 'a nautical map' but not 'the map is nautical.' This is a domain-specific term more common in written descriptions of maritime topics than in everyday conversation.

Common Mistakes

The admiral inspected the nautical base.
The admiral inspected the naval base.
'naval' describes a country's military navy, while 'nautical' refers to general seafaring and sailing.

Word family

  • nautically
    adverbC1

Synonym discussion

Sense: adjective/1

These four words all relate to the sea, but they differ in scope and use. 'Nautical' is the most general word for anything connected with ships and sailing — a nautical chart, nautical mile, or nautical skill. 'Maritime' sounds more formal and is common in legal, historical, or commercial contexts (maritime law, maritime trade, maritime history). 'Marine' focuses on the sea itself as a natural environment — marine biology, marine life, marine ecosystem — rather than on human seafaring activity. 'Naval' is restricted to a country's military navy (naval base, naval officer, naval fleet) and should not be used for recreational or commercial vessels. 'Seafaring' typically describes people or cultures (a seafaring nation, a seafaring community) rather than objects or equipment. For example: 'She works in maritime law' (legal field); 'We studied marine creatures at the aquarium' (natural environment); 'He joined the naval academy' (military); 'The ancient Greeks were a seafaring people' (cultural).

maritime ↗marine ↗naval ↗seafaring

Common collocations

Nouns

Adverbs

  • nautically

Etymology

GreekLatinFrenchEnglish

'Nautical' comes from the Greek word 'nautikos' (ναυτικός), meaning 'pertaining to ships or sailing,' which itself comes from 'nautes' (ναύτης), 'a sailor,' and 'naus' (ναῦς), 'a ship.' The word entered English through Latin 'nauticus' and French 'nautique' in the 1500s. The same Greek root 'naus' also gives us 'aeronautics' (air-sailing) and 'astronaut' (star-sailor).