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copious

adjective

co·​pi·​ous ˈkō-pē-əs How to pronounce copious (audio)
Synonyms of copiousnext
1
a
: yielding something abundantly
a copious harvest
copious springs
b
: plentiful in number
copious references to other writers
2
a
: full of thought, information, or matter
… Shakespeare, whose soul was so copiousGilbert Highet
b
: profuse or exuberant in words, expression, or style
a copious talker
3
: present in large quantity : taking place on a large scale
copious weeping
copious food and drink
copiously adverb
copiousness noun

Did you know?

Despite meaning “abundance,” the Latin word copia has not led to an abundance of words in English; in other words, its descendants are far from copious—at least on the surface. There’s copious, of course, which comes from copia by way of Middle English and has been used since the 14th century, when it first described things—such as farmlands or ore deposits—that produce abundant yields. Then there’s cornucopia, which combines this same root with cornu, meaning “horn,” and refers to an inexhaustible store or abundance of something (as well as to a decorative horn or horn-shaped basket overflowing with produce and used as a symbol of abundance). Finally, there’s the commonplace word copy, used as both noun and verb. That’s all she wrote… unless you consider the mucho copious amount—nay, cornucopia—of words that start or end with copy, from copycat to photocopy to copypasta.

Choose the Right Synonym for copious

plentiful, ample, abundant, copious mean more than sufficient without being excessive.

plentiful implies a great or rich supply.

peaches are plentiful this summer

ample implies a generous sufficiency to satisfy a particular requirement.

ample food to last the winter

abundant suggests an even greater or richer supply than does plentiful.

streams abundant with fish

copious stresses largeness of supply rather than fullness or richness.

copious examples of bureaucratic waste

Examples of copious in a Sentence

It was no surprise that spin was more copious than ever during the election campaign. Michael Kinsley, Time, 25 Dec. 2000–1 Jan. 2001
These pockets of melted rock are rich in silica and release copious amounts of volatile gases that are held under high pressures. Sandra Blakeslee, New York Times, 7 Apr. 1998
… travelers grew accustomed to having copious helpings of meat when they visited Quimper's inn. James A. Michener, Texas, 1985
The Constants—ignorant, vulgar, and brash—had copious quantities of dumb luck. Kurt Vonnegut, Jr., The Sirens Of Titan, 1959
The storm produced a copious amount of rain. She sat in the front row and took copious notes during the lecture.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Rooms come with Botanist & The Chemist toiletries, miniature fluffy robes, a signature purple starfish soft toy, and copious sweet treats, from white chocolate caryatids to cones of M&M’s. Jemima Sissons, Condé Nast Traveler, 8 Jan. 2026 The media company aims to share its resources but not give copious notes or put up roadblocks. Dade Hayes, Deadline, 7 Jan. 2026 The stakes were made clear from the outset as Maduro, who took copious notes throughout the proceedings and wished a Happy New Year to reporters in court, repeatedly pressed his case that he had been unlawfully abducted. Michael R. Sisak, Fortune, 5 Jan. 2026 Network talk show, then wooed the comic by sending her copious bouquets. Kevin Dolak, HollywoodReporter, 5 Jan. 2026 See All Example Sentences for copious

Word History

Etymology

Middle English, from Latin copiosus, from copia abundance, from co- + ops wealth — more at opulent

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of copious was in the 14th century

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Cite this Entry

“Copious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/copious. Accessed 19 Jan. 2026.

Kids Definition

copious

adjective
co·​pi·​ous ˈkō-pē-əs How to pronounce copious (audio)
: very plentiful
a copious amount of food
copiously adverb
copiousness noun

More from Merriam-Webster on copious

Last Updated: - Updated example sentences
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