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nautical

American  
[naw-ti-kuhl, not-i-] / ˈnɔ tɪ kəl, ˈnɒt ɪ- /

adjective

  1. of or relating to sailors, ships, or navigation.

    nautical terms.

    Synonyms:
    seagoing, maritime, marine

nautical British  
/ ˈnɔːtɪkəl /

adjective

  1. of, relating to, or involving ships, navigation, or sailors

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of nautical

1545–55; < Latin nautic ( us ) pertaining to ships or sailors (< Greek nautikós, equivalent to naû ( s ) ship + -tikos -tic ) + -al 1

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How does nautical compare to similar and commonly confused words? Explore the most common comparisons:

Explanation

If it can go to sea, it’s nautical. That is, if it has to do with a boat, ship, sailor, or one of those maps of the ocean that nautical people call a chart, it can be considered nautical. You can wear khakis with sailboats or whales embroidered all over and not be the least bit nautical, but if you know that a rope is called a sheet and that hard to the lee means “duck and move to the other side of the boat,” there’s hope. The most nautical among us know what knot to tie in any given boating situation, which makes them both nautical and “knot-ical.”

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The incident involved the Russian frigate Admiral Grigorovich and a UK-registered yacht around 20 nautical miles south of the Isle of Wight just outside British waters, a UK defence source told AFP.

From Barron's • Jun. 16, 2026

The MoD said the operation had happened in international waters as it was more than 12 nautical miles from the UK coast.

From BBC • Jun. 15, 2026

The drone boat deployed for rescue on Tuesday was Saronic’s Corsair, a 24-foot vessel with top speed of over 35 knots and a range of over 1,000 nautical miles.

From The Wall Street Journal • Jun. 11, 2026

The experienced sailor who has captained big boats for 30 years said people thought Freya would not last a week, yet they have logged 18,000 nautical miles in 15 months.

From BBC • Jun. 6, 2026

There wasn’t even yet an agreed length for a nautical mile.

From "A Short History of Nearly Everything" by Bill Bryson

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