Meaning of “leaven” in the English Dictionary


"leaven" in English

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leavenverb [ T ]

uk /ˈlev.ən/ us /ˈlev.ən/

to add a substance to bread or another food made with flour to make it increase in size when it is cooked

formal to make something less boring:

Even a speech on a serious subject should be leavened with a little humour.

(Definition of “leaven” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)