名詞 purgative:

1. a purging medicine; stimulates evacuation of the bowels
   同義詞：cathartic, physic, aperient

形容詞 purgative:

1. strongly laxative
   同義詞：cathartic, evacuant

1. Causing evacuation, especially of the bowels; purgative.
   排泄的，排除的引起腹瀉，尤指腸瀉的; 凈腸的
2. Take some purgative and it will help you purge your bowels of bad matter.
   吃點瀉藥有助于你將腸胃中的有害物質(zhì)除去。

pur.ga.tive

adj.（形容詞）
Tending to cleanse or purge, especially causing evacuation of the bowels.
催瀉的，凈化的：尤指導致腹瀉的凈化或清洗的
n.（名詞）
A purgative agent or medicine; a cathartic.
導致腹瀉的藥劑；瀉藥