Meaning of leavenous in English:

leavenous

Pronunciation /ˈlɛv(ə)nəs/ /ˈlɛvənəs/

adjective

  • Having the properties of leaven (chiefly figurative).

Origin

Mid 17th century; earliest use found in John Milton (1608–1674), poet and polemicist. From leaven + -ous.