Synonyms for laxative

relaxing, loosening, opening, freeing, unbinding, purgative, purging, diarrheic, diarrheal, diuretic, unconstipative, physicking, cathartic.

Antonyms binding, confining*, restricting.

physic, aperient, purgative, diuretic, cathartic, purge, medicament, remedy, cure, specific, dose, drench; see also medicine 2.

Common laxatives include: castor oil, mineral oil, agar-agar, cascara sagrada, flaxseed, milk of magnesia, croton oil, epsom salts, phenolphthalein, cascarin compound, psyllium seeds, Ex-Lax (trademark), Metamucil (trademark).