\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

Try to go to Ramiro in the mid-afternoon, as the lunch and dinner lines can get lengthy, and the restaurant serves all day long. Cara Sanders, Vogue, "An Insider’s Guide to Lisbon from the Duo Behind the City’s Coolest Boutique Hotel," 8 Sep. 2018 This time, that darkness is the horrific, and lengthy, murder of a teen girl. refinery29.com, "Sydney Sweeney On That Tragic Handmaid's Tale Exit & Sharp Objects," 4 July 2018 William’s seizures were lengthy, frequent and severe, requiring him to wear a helmet. Anne Saker, Cincinnati.com, "Cincinnati tested the marijuana drug that the FDA has just approved," 27 June 2018 The process that led the U.S. State Department to grant the permit for the Gordie Howe Bridge went through the normal, and lengthy, review process. John Gallagher, Detroit Free Press, "A 'new' image for the Morouns? New bridge TV ad demolishes that fantasy," 21 June 2018 Asylum status can be the first step toward becoming a naturalized citizen, which involves a lengthy process. Erin Coulehan, Teen Vogue, "What Asylum Means, and Why People Seek It," 13 Nov. 2018 The Duke of York learned his lesson well and helped arrange the lengthy train of his daughter's dress before guiding her through St. George's Chapel. Elizabeth Angell, Town & Country, "Prince Andrew Made Everyone Cry at Princess Eugenie's Wedding Reception," 15 Oct. 2018 Plus, the lashes that were already quite lengthy look longer and shinier than ever before. Jenna Rosenstein, Harper's BAZAAR, "I Tried The Easy (and Longer Lasting) Alternative to Fake Lashes," 9 Oct. 2018 These deliberations have not been lengthy by any measure. Emily Stewart, Vox, "8 experts on why the Paul Manafort jury doesn’t have a verdict yet — and what it might mean," 19 Aug. 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

6 Dec 2018

Look-up Popularity

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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amusing and light sparring with words

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