piracy

noun

pi·​ra·​cy ˈpī-rə-sē How to pronounce piracy (audio)
plural piracies
Synonyms of piracynext
1
: an act of robbery on the high seas
also : an act resembling such robbery
2
: robbery on the high seas
3
a
: the unauthorized use of another's production, invention, or conception especially in infringement of a copyright
b
: the illicit accessing of broadcast signals

Examples of piracy in a Sentence

piracy on the high seas many countries have harsh penalties for piracy now
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But the judge’s equivocating ruling in that piracy case created a loophole, according to Anthropic’s lawyers. James Folta, Literary Hub, 6 Feb. 2026 Stavridis is a Florida native who speaks three languages and, during a 37-year Navy career, oversaw operations in Afghanistan, Libya, Syria, the Balkans and counter piracy off the coast of Africa, according to an Augustana University news release. Chris Mueller, Sioux Falls Argus Leader, 4 Feb. 2026 Spotify, in an attempt to combat music piracy, was founded in 2006 by Swedish duo Daniel Ek and Martin Lorentzon. Kurt Snibbe, Oc Register, 30 Jan. 2026 The leagues and federations that sell broadcasting rights are struggling to convince people that online piracy is bad. Olivia Solon, Bloomberg, 27 Jan. 2026 See All Example Sentences for piracy

Word History

Etymology

Medieval Latin piratia, from Late Greek peirateia, from Greek peiratēs pirate

First Known Use

1537, in the meaning defined at sense 1

Time Traveler
The first known use of piracy was in 1537

Browse Nearby Words

Cite this Entry

“Piracy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/piracy. Accessed 14 Feb. 2026.

Kids Definition

piracy

noun
pi·​ra·​cy ˈpī-rə-sē How to pronounce piracy (audio)
plural piracies
1
: robbery on the high seas
2
: the use of another's production or invention without permission

Legal Definition

piracy

noun
pi·​ra·​cy ˈpī-rə-sē How to pronounce piracy (audio)
plural piracies
1
: an act of robbery especially on the high seas
specifically : an illegal act of violence, detention, or plunder committed for private ends by crew or passengers of a private ship or aircraft against another ship or aircraft on the high seas or in a place outside the jurisdiction of any state see also air piracy
2
a
: the unauthorized copying, distribution, or use of another's production (as a film) especially in infringement of a copyright
software piracy
b
: the unauthorized use, interception, or receipt of encoded communications (as satellite cable programming) especially to avoid paying fees for use
the statute's purpose is to proscribe the piracy of programming signalsUnited States v. Harrell, 983 F.2d 36 (1993)
3
: the crime of committing piracy

More from Merriam-Webster on piracy

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