From Middle English copious, from Latin copiosus, copia (abundance), from co- + ops (wealth)[1] + -osus (full of).



copious (comparative more copious, superlative most copious)

  1. Vast in quantity or number, profuse, abundant; taking place on a large scale.
    • 1748. David Hume. Enquiry concerning Human Understanding. Section 3. § 18.
      These loose hints I have thrown together, in order to excite the curiosity of philosophers, and beget a suspicion at least, if not a full persuasion, that this subject is very copious,
  2. Having an abundant supply.
  3. Full of thought, information, or matter; exuberant in words, expression, or style.

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  1. ^ “copious” in the Webster's New Collegiate Dictionary, Merriam-Webster, 1974 edition.