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1. One who commits or practices piracy at sea.
2. One who makes use of or reproduces the work of another without authorization.
3. One who illegally intercepts or uses radio or television signals, especially one who operates an illegal television or radio station.
v. pi·rat·ed, pi·rat·ing, pi·rates
1. To attack and rob (a ship at sea).
2. To take (something) by piracy.
3. To make use of or reproduce (another's work) without authorization.
To act as a pirate; practice piracy.

[Middle English, from Old French, from Latin pīrāta, from Greek peirātēs, from peirān, to attempt, from peira, trial; see per- in Indo-European roots.]

pi·rat′ic (pī-răt′ĭk), pi·rat′i·cal (-ĭ-kəl) adj.
pi·rat′i·cal·ly adv.
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References in periodicals archive ?
Shard's men enact a contingency plan by raiding a nearby town's oxen (Dunsany 102), which is a routinely piratic move in context but also consistent with the colonialist position that Europeans have a right to exploit the resources of peoples they encounter (Said 108).
Nest usurping occurrence of Piratic Flycatcher (Legatus leucophaius) in southwestern Costa Rica.
If meeting the 42-year-old is a daunting experience ( one glance at his piratic beard, long mane, six-foot-four-inch frame and tight leather trousers is sufficient to provoke genuine fear ( contemplate lining up in opposition to him on a football pitch.