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1. An agent, such as yeast, that causes batter or dough to rise, especially by fermentation.
2. An element, influence, or agent that works subtly to lighten, enliven, or modify a whole.
tr.v. leav·ened, leav·en·ing, leav·ens
1. To add a rising agent to.
2. To cause to rise, especially by fermentation.
3. To pervade with a lightening, enlivening, or modifying influence.

[Middle English, from Old French levain, from Vulgar Latin *levāmen, from Latin levāre, to raise; see legwh- in Indo-European roots.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.leavened - made light by aerating, as with yeast or baking powder; often used as a combining form; "leavened bread"; "well-leavened"; "yeast-leavened breads"
unleavened, unraised - made without leavening; "unleavened bread is often simply flour mixed with water"
فيه خَميرَه


(ˈlevnd) adjective
(negative unleavened) containing yeast to make it rise. leavened bread.
References in classic literature ?
Yet such was the force of example that the village young men, who had not hastened to enter the gate while no intruder was in the way, now dropped in quickly, and soon the couples became leavened with rustic youth to a marked extent, till at length the plainest woman in the club was no longer compelled to foot it on the masculine side of the figure.
Beyond stretched the flat marshland, its mossy turf leavened with cracks and creeks of all widths, filled also with sea-slime and sea-water.
That grim presence shadows our lives, but who can deny that in that shadow the sense of duty, the feeling of sobriety and responsibility, the appreciation of the gravity and of the objects of life, the earnest desire to develop and improve, have grown and become real with us to a degree that has leavened our whole society from end to end?
Yet in an instant she had changed again to her old expression of merriment leavened with mischief.
Homes are purged of anything leavened, or anything that might become leavened.
Yerushalmi wanted to protest against the store's decision to continue selling bread and other leavened products during the Passover week that begins on Wednesday.
THE very moving (and at times astonishing) documentary on the last days of Liverpool jazz singer, George Melly, was leavened by plenty of humour.
The problem is that no matter how much we want it to be otherwise, the kingdom of God is like a woman who took and hid three measures of leaven in her dough until it was all leavened.
The influence of cultural work shows in the newer approaches, leavened however by an awareness of the emanations of power and authority.
Lest any of this sounds angst-ridden, it's all leavened by Russel's chatty, sometimes sarcastic, sometimes enthusiastic teen voice.