laxative /ˈlæk.sə.tɪv/adjective 1noun 1forms 3 adjective1 •Having the effect of moving the bowels, or aiding digestion and preventing constipation.BOlvs in English is called a morsell. It is a medicine laxatiue, in forme & fashion it is meanely whole, & it is swallowed by litle gobbets. — 1583 noun1 •Any substance, such as a food or in the form of a medicine which has a laxative effect. formslaxatives · more laxative · most laxative