To produce as a beverage by fermentation; prepare (beer, ale, or other similar liquor) from malt, or from malt and hops, or from other materials, by steeping, boiling, and fermentation.To prepare by mixing, boiling, or the like; mingle; mix; concoct: as, to brew a bowl of punch; “drinks brewed with several herbs,”To contrive; plot; prepare: as, to brew mischief.To conduct the operations or the business of brewing or making beer.To be in a state of preparation; be mixing, forming, or collecting; be impending: chiefly in the present participle: as, a storm is brewing in the west.n. The mixture formed by brewing; that which is brewed.n. Obsolete form of bree (which see).