lengthy

adjective

ˈleŋ(k)-thē How to pronounce lengthy (audio)
ˈlen(t)-
lengthier; lengthiest
Synonyms of lengthynext
1
: protracted excessively : overlong
2
lengthily adverb
lengthiness noun

Examples of lengthy in a Sentence

The process is both lengthy and costly. a series of lengthy delays Lengthier trips require more planning.
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 proposals are not yet final or legally binding and must go through a lengthy rulemaking process and public comment before becoming permanent. Ali Swenson The Associated Press, Arkansas Online, 25 Dec. 2025 Sources Tom Gavin joined Everyday Health as copy chief in 2022 after a lengthy stint as a freelance copy editor. Tom Gavin, EverydayHealth.com, 24 Dec. 2025 The proposals are not yet final or legally binding and must go through a lengthy rulemaking process and public comment before becoming permanent. Ali Swenson, Twin Cities, 24 Dec. 2025 Jeannot locked up with Josh Anderson and the two big men staged a lengthy brawl that had the Garden crowd on its feet. Steve Conroy, Boston Herald, 24 Dec. 2025 See All Example Sentences for lengthy

Word History

First Known Use

1689, in the meaning defined at sense 1

Time Traveler
The first known use of lengthy was in 1689

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Cite this Entry

“Lengthy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lengthy. Accessed 26 Dec. 2025.

Kids Definition

lengthy

adjective
ˈleŋ(k)-thē How to pronounce lengthy (audio)
ˈlen(t)-
lengthier; lengthiest
: very long
lengthily adverb
lengthiness noun

More from Merriam-Webster on lengthy

Last Updated: - Updated example sentences
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