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opposition research

[ op-uh-zish-uhn ree-surch ]
/ ɒp əˈzɪʃ ən ˈri sɜrtʃ /
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noun

the collection of information on the background, activities, etc., of one’s opponent or opponents in an effort to uncover damaging details that will undermine them.

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Also called, Informal, oppo, oppo research .

Origin of opposition research

First recorded in 1970–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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