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| boo [ boo ] |
interjection |
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| Definition: |
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1. expressing disapproval: used to express dissatisfaction or contempt, especially at a speaker or performer
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2. used to startle somebody: used to surprise or startle somebody
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noun (plural boos) |
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| Definition: |
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sound of disapproval or surprise: an utterance of "boo!" in order to startle somebody or to show dissatisfaction
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transitive and intransitive verb (past and past participle booed, present participle boo·ing, 3rd person present singular boos) |
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| Definition: |
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express disapproval: to shout "boo!" in order to express dissatisfaction or contempt of somebody, especially a speaker or performer
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| [Early 19th century. Originally an imitation of a cow's lowing] |
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not say boo to be silent or reticent (informal)
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