Antonyms of adj copious

2 senses of copious

Sense 1
copious, voluminous -- (large in number or quantity (especially of discourse); "she took copious notes"; "a subject of voluminous legislation")

INDIRECT (VIA abundant) -> scarce -- (deficient in quantity or number compared with the demand; "fresh vegetables were scarce during the drought")

Sense 2
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")

INDIRECT (VIA abundant) -> scarce -- (deficient in quantity or number compared with the demand; "fresh vegetables were scarce during the drought")

Similarity of adj copious

2 senses of copious

Sense 1
copious, voluminous -- (large in number or quantity (especially of discourse); "she took copious notes"; "a subject of voluminous legislation")
       => abundant (vs. scarce) -- (present in great quantity; "an abundant supply of water")

Sense 2
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")
       => abundant (vs. scarce) -- (present in great quantity; "an abundant supply of water")