copious

/ˈkoʊpiəs/ · KOH-pee-uhsadjective

Abundant or plentiful in quantity.

Use copious when something exists, is produced, or is supplied in a notably large amount.

What copious Really Means

The word becomes easier to use when its closely related senses are separated and compared.

1

Large quantity

Available or present in an amount well beyond what is sparse or limited.

Example

The archive contains copious records from the nineteenth century.

2

Abundant output

Produced in large amounts through sustained work or observation.

Example

The field researcher took copious notes throughout the expedition.

3

More than enough

Supplied so generously that the quantity may feel excessive for the purpose.

Example

The appendix provides copious detail about every minor revision.

Use copious Naturally

Notice how the surrounding noun or clause reveals the exact shade of meaning.

The field researcher took copious notes, recording every change in temperature and animal behaviour.

The archive contains copious records from the nineteenth century.

Copious evidence from several sites supports the revised chronology.

Precision Matters

Copious overlaps with several common words, but each carries a different emphasis.

copious

Often emphasises a noticeably large, sometimes overflowing amount.

vs.
abundant

Broadly means plentiful or more than sufficient.

copious

Describes the quantity of material or output.

vs.
prolific

Describes a person or source that produces much.

copious

Concerns quantity rather than coverage.

vs.
comprehensive

Means complete in scope, even if concise.

copious

Does not necessarily criticise the amount.

vs.
verbose

Criticises the use of more words than necessary.

Test copious in Context

A year of recording many kinds of observations tells you what the notes are like.

1

During the year-long field study, Rao recorded every shift in temperature, rainfall, soil moisture, and animal behaviour, producing copious notes.

As used in the text, “copious” most nearly means…

Prepared byFirst Academy
Editorial responsibilityFirst Academy Academic Team
Updated2 August 2026
Selection and reviewRead our methodology