laxative

nouns

a mild cathartic
laxative
is a type of (narrower)
a purging medicine; stimulates evacuation of the bowels
aperient, cathartic, physic, purgative

adjectives

stimulating evacuation of feces
laxative
antonym
costive
is similar to
mildly laxative
aperient
is similar to
strongly laxative
cathartic, evacuant, purgative