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.
Leave it in the garage or carport, empty everything out, and vacuum it thoroughly, paying attention to seams and crevices, says Benson. Arricca Elin Sansone, Southern Living, 25 Dec. 2025 Leave the product on for two to three minutes, then rinse thoroughly. Daley Quinn, Glamour, 23 Dec. 2025 After a decade-long wait, Jaylen Brown is thoroughly enjoying his first season as the Celtics’ unquestioned leader. Zack Cox, Boston Herald, 23 Dec. 2025 The texture starts light and creamy, then transforms into a soft foam that cleanses thoroughly without overdoing it. Lily Wohlner, Allure, 22 Dec. 2025 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 3 Jan. 2026.

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