\ ˈleŋ(k)-thē How to pronounce lengthy (audio) , ˈlen(t)-\
lengthier; lengthiest

Definition of lengthy

1 : protracted excessively : overlong
2 : extended, long

Keep scrolling for more

Other Words from lengthy

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

Synonyms & Antonyms for lengthy


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


brief, curt, short, shortish

Visit the Thesaurus for More 

Examples of lengthy in a Sentence

The process is both lengthy and costly. a series of lengthy delays Lengthier trips require more planning.
See More

Recent Examples on the Web

The lengthy list of FASD symptoms includes (among others) speech delays, memory problems, cognitive delays, hyperactivity, difficulty focusing, and learning disabilities. Anchorage Daily News, "Living with FASD: ‘I’m going to have this for the rest of my life’," 28 June 2019 Grisham will also continue to help out the first lady's office during the transition — quite a lengthy list of responsibilities for just one person. CBS News, "First lady's spokeswoman will replace Sarah Sanders as White House press secretary," 25 June 2019 Its lengthy list of A-list voice talent sees the return of Tom Hanks as Woody, Tim Allen as Buzz Lightyear and Annie Potts as Bo Peep (a character who was absent from Toy Story 3). Pamela Mcclintock, The Hollywood Reporter, "Box Office: 'Toy Story 4' No. 1 With $118M U.S. Bow, Clears $238M Globally," 23 June 2019 For the past two years, the nonprofit has had a lengthy waiting list, sometimes stretching five months. Erin B. Logan, baltimoresun.com, "Howard immigration nonprofit looks into restructuring amid financial concerns," 20 June 2019 His prospects for confirmation have been spotty due in large part to questions about his lengthy work as former Boeing executive and persistent questions about possible conflicts of interest. Lolita C. Baldor, chicagotribune.com, "Acting Defense Secretary Patrick Shanahan steps down to avoid ‘painful’ family situation," 18 June 2019 Gonzalez’s legislation exempts a lengthy list of professions such as doctors, dentists, lawyers, architects, accountants, real estate agents and hairstylists. Carolyn Said, SFChronicle.com, "Uber, Lyft to make wage concessions to keep California drivers contractors," 12 June 2019 King has accumulated a lengthy list of famous friends. Robin Givhan, Washington Post, "The irresistible authenticity of Gayle King," 11 June 2019 Coach Meyer won two national titles at Florida and one at Ohio State even as his players racked up a lengthy list of legal issues. Eric Levenson, CNN, "Former Florida Gators football captain arrested for murder," 9 June 2019

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.

See More

First Known Use of lengthy

1689, in the meaning defined at sense 1

Keep scrolling for more

Learn More about lengthy

Dictionary Entries near lengthy








Statistics for lengthy

Last Updated

5 Jul 2019

Look-up Popularity

Time Traveler for lengthy

The first known use of lengthy was in 1689

See more words from the same year

Keep scrolling for more

More Definitions for lengthy



English Language Learners Definition of lengthy

: lasting for a long time
: having many pages, items, etc.


\ ˈleŋ-thē How to pronounce lengthy (audio) \
lengthier; lengthiest

Kids Definition of lengthy

: very long a lengthy argument

Keep scrolling for more

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

What made you want to look up lengthy? Please tell us where you read or heard it (including the quote, if possible).


characterized by aphorism

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!