co-pi-ous / kō-pē-əs
1. providing a plentiful supply
Let peace, descending from her native heaven, bid her olives spring amidst the joyful nations; and plenty, in league with commerce, scatter blessings from her copious hand!
Daniel Boone, 1734 – 1820
2. abundant; great in quantity
The flowers of the apple are perhaps the most beautiful of any tree’s, so copious and so delicious to both sight and scent.
From “Walking, Wild Apples” by Henry David Thoreau, 1817 – 1862
3. profuse; containing a great many words, ideas, thoughts, etc.
I found our speech copious without order, and energetic without rules.
Samuel Johnson, 1709 – 1784
From the Latin noun copia (abundance, plenty, supply) and the Latin adjectival suffix –osus (full of, rich in).
Thank you to Allen Ward for providing this etymology.