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Definitions

thoroughly

[thur-uh-lee, thuhr‐] / ˈθɜr ə li, ˈθʌr‐ /
ADVERB
exhaustively
Synonyms
STRONGEST
assiduously carefully completely comprehensively conscientiously earnestly efficiently extremely fully highly intensely intensively meticulously painstakingly scrupulously very wholly
WEAK
all exceedingly exceptionally flat out from A to Z from top to bottom hard hugely in and out in detail inside out notably remarkably strikingly sweepingly through and through throughout unremittingly up and down whole hog
Antonyms
STRONGEST
incompletely little partially partly
WEAK
deficiently inadequately inexhaustively superficially
ADVERB
utterly
Synonyms
STRONGEST
absolutely completely entirely fully perfectly quite totally wholly
WEAK
altogether downright plumb to the full well without reservation
Antonyms
STRONGEST
incompletely partially partly
WEAK
deficiently inadequately inexhaustively superficially

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

Friedrick considers the question thoroughly before he responds.

From "The Night Circus" by Erin Morgenstern

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.