lengthy

adjective

ˈleŋ(k)-thē How to pronounce lengthy (audio)
ˈlen(t)-
lengthier; lengthiest
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.
But in an Economist profile on the Arizona expansion, TSMC CFO Wendell Huang said he was surprised by America’s onerous and lengthy permitting process compared to that of Taiwan. Tiana Lowe Doescher, The Washington Examiner, 5 Sep. 2025 Johnson then had a lengthy discussion with MLB’s replay office in New York before handing the bat to an authenticator sitting near the Yankees dugout. Brendan Kuty, New York Times, 5 Sep. 2025 Chili’s parent Brinker International has a lengthy growth runway ahead, according to Evercore ISI. Pia Singh, CNBC, 4 Sep. 2025 While talk of Princess Kate's lengthy and light locks was the buzz online, the couple brought the focus back to highlighting the outdoor learning environment with a post-event message on Instagram. Stephanie Petit, PEOPLE, 4 Sep. 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

Browse Nearby Words

Cite this Entry

“Lengthy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lengthy. Accessed 6 Sep. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!