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 cost of transparency CalPERS staff prepared a lengthy presentation to convince the board to take a public stance against the bill. William Melhado, Sacbee.com, 19 May 2026 The thing is, if America (or any spacefaring nation) wants to establish a permanent presence on the moon—an inhabited station that can operate during the frigid and lengthy lunar night—solar power won’t cut it. Robin George Andrews, Scientific American, 19 May 2026 Hong Kong is still recovering from the reputational damage from lengthy COVID-zero policies which effectively closed off international travel for years. Nicholas Gordon, Fortune, 19 May 2026 But undersea cables in the Red Sea have already seen a spate of damage in recent years, exacerbated by lengthy repair times and attacks by Houthi rebels allied with Iran. Jeremy Hsu, ArsTechnica, 19 May 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

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Cite this Entry

“Lengthy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lengthy. Accessed 20 May. 2026.

Kids Definition

lengthy

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

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