pirate
US /ˈpaɪr.ət/
UK /ˈpaɪr.ət/

1.
a person who attacks and robs ships at sea
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The ship was attacked by pirates.
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Stories of daring pirates often involve hidden treasure.
2.
a person who illegally reproduces or distributes copyrighted material
:
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Software pirates cost companies millions of dollars.
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He was accused of being a music pirate.
1.
to illegally reproduce or distribute copyrighted material
:
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It is illegal to pirate movies.
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They tried to pirate the software, but failed.