[ uh-kwat-ik, uh-kwot- ]
/ əˈkwæt ɪk, əˈkwɒt- /


of, in, or pertaining to water.
living or growing in water: aquatic plant life.
taking place or practiced on or in water: aquatic sports.


an aquatic plant or animal.
aquatics, sports practiced on or in water.

Nearby words

  1. aquarids,
  2. aquarist,
  3. aquarium,
  4. aquarius,
  5. aquashow,
  6. aquatics,
  7. aquatint,
  8. aquatone,
  9. aquavit,
  10. aqueduct

Origin of aquatic

1480–90; < Latin aquāticus, equivalent to aqu(a) water + -āticus (see -ate1, -ic); replacing late Middle English aquatyque < Middle French < Latin, as above

Related formsa·quat·i·cal·ly, adverbnon·a·quat·ic, adjectivetrans·a·quat·ic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aquatic

British Dictionary definitions for aquatic


/ (əˈkwætɪk, əˈkwɒt-) /


growing, living, or found in water
sport performed in or on water


a marine or freshwater animal or plant

Word Origin for aquatic

C15: from Latin aquāticus, from aqua water

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 aquatic



late 15c., from Middle French and Old French aquatique (13c.), from Latin aquaticus "growing in water; bringing rain," from aqua "water" (see aqua-)

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for aquatic


[ ə-kwătĭk ]

Relating to, living in, or growing in water.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.