[pri-dey-shuh s]


predatory; rapacious.

Also especially Biology, pre·da·ceous.

Origin of predacious

First recorded in 1705–15; pred(atory) + -acious
Related formspre·da·cious·ness, pre·dac·i·ty [pri-das-i-tee] /prɪˈdæs ɪ ti/; especially Biology, pre·da·ceous·ness, nounun·pre·da·ceous, adjectiveun·pre·da·ceous·ly, adverbun·pre·da·ceous·ness, nounun·pre·da·cious, adjectiveun·pre·da·cious·ly, adverbun·pre·da·cious·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for predacious

Historical Examples of predacious

  • Indeed, its predacious habits unfit it for associating with its kind.

    Bible Animals;

    J. G. Wood

  • The principal obstacles to this are snow and predacious animals.

    Our Domestic Birds

    John H. Robinson

  • The sea-leopard, the only predacious member of the seal family, has an elongated agile body and a large head with massive jaws.

  • Thus was a graminivorous animal nurtured by a carnivorous and predacious one!

  • They cared very little about defending a state of things which their predacious instincts led them, on the contrary, to attack.


    Gustave Aimard

British Dictionary definitions for predacious




(of animals) habitually hunting and killing other animals for food
preying on others
Derived Formspredaciousness, predaceousness or predacity (prɪˈdæsɪtɪ), noun

Word Origin for predacious

C18: from Latin praeda plunder; compare predatory
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

Word Origin and History for predacious

also predaceous, 1713, from stem of predation (Latin praedari) + -acious.

Online Etymology Dictionary, © 2010 Douglas Harper