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thoroughly

[thur-uh-lee, thuhr‐]
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adverb
  1. in a thorough manner or degree; completely and carefully: We will review the data thoroughly.
  2. perfectly; utterly: We thoroughly enjoyed the play.
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Origin of thoroughly

First recorded in 1450–1500; thorough + -ly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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