thoroughly
Americanadverb
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in a thorough manner or degree; completely and carefully.
We will review the data thoroughly.
-
perfectly; utterly.
We thoroughly enjoyed the play.
Etymology
Origin of thoroughly
First recorded in 1450–1500; thorough ( def. ) + -ly ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
On balance, I think it’s critically important that inside information is addressed thoroughly and comprehensively to support confidence rather than undermine it.
From Barron's • Mar. 28, 2026
Zhang knew every major, university, and career path so thoroughly that he spoke with absolute certainty.
From BBC • Mar. 27, 2026
Few federal civil-rights czars have roiled their own department as thoroughly as Ms. Dhillon did when she took office in April 2025.
From The Wall Street Journal • Mar. 27, 2026
Will it be thoroughly integrated within the latest dietary guidelines?
From MarketWatch • Mar. 23, 2026
For that reason, he urged doctors to wash their hands thoroughly and to sterilize hands and surgical instruments with carbolic acid.
From "Ambushed!" by Gail Jarrow
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.