\ˈleŋ(k)-thē, ˈlen(t)-\
lengthier; lengthiest

Definition of lengthy 

1 : protracted excessively : overlong

2 : extended, long

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Other Words from lengthy

lengthily \ ˈleŋ(k)-​thə-​lē , ˈlen(t)-​ \ adverb
lengthiness \ ˈleŋ(k)-​thē-​nəs , ˈlen(t)-​ \ noun

Synonyms & Antonyms for lengthy


elongate (or elongated), extended, king-size (or king-sized), long


brief, curt, short, shortish

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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.
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Recent Examples on the Web

Samuel has a lengthy history of taking high-profile cases. Ryan Gaydos, Fox News, "LeSean 'Shady' McCoy's reported attorney has history of high-profile cases," 12 July 2018 Prosecutors, however, argued that Rissell is a violent criminal incapable of rehabilitation, noting his lengthy criminal history, which began at age 15. Erin Mccarthy, Philly.com, "Coatesville man sentenced to state prison for racist, anti-Semitic graffiti," 27 June 2018 Prosecutors cited his lengthy criminal history, which includes a prior state prison term of three to five years for a 2006 case in Essex County. John R. Ellement, BostonGlobe.com, "Police nab man trying to escape after alleged burglary at South End address," 14 June 2018 This shift is a clear departure from the pageant’s lengthy history of judging women by their physical appearance. Mekita Rivas, Glamour, "What Former Beauty Queens Really Think About Pageant Swimsuit Competitions," 6 June 2018 Williams, who was jailed on suspicion of resisting arrest and hit-and-run, has a lengthy criminal history spanning more than two decades, according to court records. Lyndsay Winkley, sandiegouniontribune.com, "Woman arrested in active shooter incident has decades-long criminal history," 5 June 2018 Sheehy and his team are acquiring the the Type-48 license formerly belonging to La Oficina ( 4234 Mission St.), an Excelsior bar with a lengthy history of criminal activity. Justin Phillips, San Francisco Chronicle, "Bourbon & Branch crew taking over Gitane," 29 May 2018 The Ducks have a lengthy history adding former Elite 11 finalists, highlighted by Tyler Shough (2017), Travis Jonsen (2014), Marcus Mariota (2010; regional finalist), Dennis Dixon (2002), Kellen Clemens (2000) and others. Andrew Nemec, OregonLive.com, "Cale Millen, Oregon Ducks QB commit, earns Elite 11 Finals invitation," 18 May 2018 Already plagued by a lengthy injury history, Griffin sustained a sprained knee in November. New York Times, "Jerry West Just Wants to Feel Wanted," 13 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lengthy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of lengthy

1689, in the meaning defined at sense 1

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Statistics for lengthy

Last Updated

25 Oct 2018

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Time Traveler for lengthy

The first known use of lengthy was in 1689

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More Definitions for lengthy



English Language Learners Definition of lengthy

: lasting for a long time

: having many pages, items, etc.


\ˈleŋ-thē \
lengthier; lengthiest

Kids Definition of lengthy

: very long a lengthy argument

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More from Merriam-Webster on lengthy

Thesaurus: All synonyms and antonyms for lengthy

Spanish Central: Translation of lengthy

Nglish: Translation of lengthy for Spanish Speakers

Britannica English: Translation of lengthy for Arabic Speakers

Comments on lengthy

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by force of circumstances

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