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.

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 formsco·pi·ous·ly, adverbco·pi·ous·ness, co·pi·os·i·ty [koh-pee-os-i-tee] /ˌkoʊ piˈɒs ɪ ti/, nouno·ver·co·pi·ous, adjectiveo·ver·co·pi·ous·ly, adverbo·ver·co·pi·ous·ness, nounun·co·pi·ous, adjective

Synonyms for copious

Synonym study

2. See ample.

Antonyms for copious Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for copious

Contemporary Examples of copious

Historical Examples of copious

British Dictionary definitions for copious



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