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.
Fast Track concierge service allows for expedited movement through immigration and customs, saving you what could be a lengthy wait in line. Jacqui Gifford, Travel + Leisure, 31 Oct. 2025 The approach bypasses government taking custody of kids and parents becoming tangled in lengthy court cases. Jayme Fraser, USA Today, 30 Oct. 2025 The genre-bending project was so buttoned up that Gilligan didn’t even tell his wife about it for a lengthy period of time. Brian Davids, HollywoodReporter, 30 Oct. 2025 After the news of his death broke, the Bon Jovi rocker paid tribute to him in a lengthy Instagram post. Daniela Avila, PEOPLE, 30 Oct. 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 31 Oct. 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!