Definition of keep a lid on
- She tried to keep a lid on the news.
- The government has been unable to keep a lid on inflation.
: to retain in one's possession or power
: to refrain from granting, giving, or allowing
: to have in control
: the means or provisions by which one is kept
: one that keeps or protects: such as
: fortress, castle
: a movable cover for the opening of a hollow container (such as a vessel or box)
: the operculum in mosses
: to cover or supply with a lid
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