Antonyms of adj evacuant

1 sense of evacuant

Sense 1
cathartic, evacuant, purgative -- (strongly laxative)

INDIRECT (VIA laxative) -> costive -- (retarding evacuation of feces; binding; constipating)

Similarity of adj evacuant

1 sense of evacuant

Sense 1
cathartic, evacuant, purgative -- (strongly laxative)
       => laxative (vs. costive) -- (stimulating evacuation of feces)