lengthy

adjective

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

Synonyms of lengthy

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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.
For many applicants, the interview comes near the end of an already lengthy process. — María Luisa Paúl, USA Today, 27 Aug. 2026 That lengthy deployment raised concerns about the mental health of sailors, including reports of at least one going overboard, as well as reports of low supplies aboard the 100,000-ton warship. — Brad Lendon, CNN Money, 27 Aug. 2026 Fewer suicide attempts will also mean fewer lengthy bridge closures, which affect national security and require drivers to take a 23-mile detour through Imperial Beach and up the Silver Strand to get from San Diego to Coronado. — David Garrick, San Diego Union-Tribune, 26 Aug. 2026 Concerns have grown about the Lincoln’s lengthy deployment following reports of deteriorating mental health among the crew and shortages of supplies including food and hygiene products. — ABC News, 26 Aug. 2026 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

lengthwise
lengthy
Lengua
See all Nearby Words

Cite this Entry

“Lengthy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lengthy. Accessed 1 Sep. 2026.

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Kids Definition

lengthy

adjective
ˈleŋ(k)-thē How to pronounce lengthy (audio)
ˈlen(t)-
lengthier; lengthiest
: very long
lengthily
-thə-lē How to pronounce lengthy (audio)
adverb
lengthiness
-thē-nəs How to pronounce lengthy (audio)
noun
Last Updated: - Updated example sentences
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