thoroughly

adverb

thor·​ough·​ly ˈthər-(ˌ)ō-lē How to pronounce thoroughly (audio)
sometimes ˈthȯr-;
ˈthə-(ˌ)rō-
Synonyms of thoroughlynext
: in a complete or thorough manner
Police thoroughly searched the crime scene for clues.
Bats are extremely tidy: they comb themselves thoroughly, and don't gather a mess of nesting materials for their homes, as birds do.Diane Ackerman
: to a complete or thorough extent
We were thoroughly satisfied with the service we received.
thoroughly disgusted/delighted
By taking all the tricks in the game, one defeats the opponent so thoroughly that he may be disconcerted …Craig M. Carver

Examples of thoroughly in a Sentence

they researched the issue thoroughly before deciding how to vote I am thoroughly satisfied with her explanation of the events of that evening
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The two major goals of the Artemis II flight are to thoroughly test the Orion moonship and to work through the procedures and techniques needed to safely guide future crews to the moon. William Harwood, CBS News, 6 Apr. 2026 Cover the stain with your DIY cleaning solution, rinse thoroughly, then blot to dry. Fort Worth Star-Telegram, 6 Apr. 2026 The duo tried to take on his former master, Darth Sidious (now Emperor Palpatine), only to get thoroughly spanked by Sheev, who killed Savage. Fran Ruiz, Space.com, 6 Apr. 2026 Some commenters were more entertained by how thoroughly the broadcast abandoned the game. Samantha Agate, Charlotte Observer, 6 Apr. 2026 See All Example Sentences for thoroughly

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of thoroughly was in the 15th century

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Cite this Entry

“Thoroughly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thoroughly. Accessed 8 Apr. 2026.

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