[ koh-pee-uhs ]
/ ˈkoʊ pi əs /


large in quantity or number; abundant; plentiful: copious amounts of food.
having or yielding an abundant supply: a copious larder; a copious harvest.
exhibiting abundance or fullness, as of thoughts or words.

Nearby words

  1. coping,
  2. coping mechanism,
  3. coping saw,
  4. coping stone,
  5. copiosity,
  6. copiously,
  7. copita,
  8. coplanar,
  9. copland,
  10. copland, aaron

Origin of copious

1350–1400; Middle English < Latin cōpiōsus plentiful, rich, equivalent to cōpi(a) wealth (co- co- + op(s) Ops + -ia -ia) + -ōsus -ous

Related forms

Synonym study

2. See ample. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for copious

British Dictionary definitions for copious


/ (ˈkəʊpɪəs) /


abundant; extensive in quantity
having or providing an abundant supply
full of words, ideas, etc; profuse
Derived Formscopiously, adverbcopiousness, noun

Word Origin for copious

C14: from Latin cōpiōsus well supplied, from cōpia abundance, from ops wealth

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 copious



mid-14c., from Latin copiosus "plentiful," from copia "an abundance, ample supply, profusion, plenty," from com- "with" (see com-) + ops (genitive opis) "power, wealth, resources," from PIE root *op- "to work, produce in abundance" (see opus). Related: Copiously.

Online Etymology Dictionary, © 2010 Douglas Harper