bottle up

bottle up idiom
Repress, contain, hold back; also, confine or trap. For example, The psychiatrist said Eve had been bottling up her anger for years, or The accident bottled up traffic for miles. This idiom likens other kinds of restraint to liquid being contained in a bottle. [Mid-1800s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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