- copious, extensive, voluminous - large in number or quantity (especially of discourse); "she took copious notes"; "extensive press coverage"; "a subject of voluminous legislation"
Antonym: scarce (indirect, via abundant)
- ample, copious, plenteous, plentiful, rich - affording an abundant supply; "had ample food for the party"; "copious provisions"; "food is plentiful"; "a plenteous grape harvest"; "a rich supply"
Antonym: scarce (indirect, via abundant)