✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

lengthy

adjective

ˈleŋ(k)-thē How to pronounce lengthy (audio)
ˈlen(t)-
lengthier; lengthiest
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.
This hefty and colorful Traveler's Choice Ruma II Expandable Luggage, suited for lengthier getaways, is marked down to $58. Amelia McBride, Travel + Leisure, 27 Nov. 2025 Passengers aboard an American Airlines flight received an unexpected mid-air treat after a fellow traveler ordered several pizzas for the entire plane during a lengthy diversion. Soo Kim, MSNBC Newsweek, 26 Nov. 2025 The resolution of the lengthy standoff between YouTube and TelevisaUnivision comes amid a turbulent year of deal-renewal talks for YouTube TV. Todd Spangler, Variety, 26 Nov. 2025 After what was described as a lengthy multiagency investigation into the May 2022 homicides, Joshua Kirkman, 29, of Oregon, was taken into custody this month, according to an ISP news release Tuesday. Shannon Tyler, Idaho Statesman, 26 Nov. 2025 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

Cite this Entry

“Lengthy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lengthy. Accessed 2 Dec. 2025.

Kids Definition

lengthy

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

More from Merriam-Webster on lengthy

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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