lengthen
verb
length·en
ˈleŋ(k)-thən 
ˈlen(t)-
lengthened; lengthening
ˈleŋ(k)th-niŋ,
ˈlen(t)th-;
ˈleŋ(k)-thə-
ˈlen(t)-
: to make longer
: to grow longer
Examples of lengthen in a Sentence
The days lengthened with the approach of spring.
Proper care will lengthen the life of the engine.
lengthen a pair of trousers
Recent Examples on the Web
Larger tires increase rotational inertia and lengthen the lever arm between hub and road, forcing the braking system to work harder.
—
Bryan Rogala, Outside, 19 Mar. 2026
The unique Flex Tower brush is ideal for volumizing and lengthening individual lashes from root to tip.
—Katie Decker-Jacoby, StyleCaster, 18 Mar. 2026
Twenty-one companies extended leave policies for primary caregivers, while fifteen companies lengthened leave for secondary caregivers.
—Eric Rosenbaum, CNBC, 17 Mar. 2026
The first and easiest way to lengthen the life and vibrancy of your new rug is to follow those guidelines.
—Julia Harrison, Architectural Digest, 17 Mar. 2026
See All Example Sentences for lengthen
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.
Bryan Rogala, Outside, 19 Mar. 2026
The unique Flex Tower brush is ideal for volumizing and lengthening individual lashes from root to tip.
—Katie Decker-Jacoby, StyleCaster, 18 Mar. 2026
Twenty-one companies extended leave policies for primary caregivers, while fifteen companies lengthened leave for secondary caregivers.
—Eric Rosenbaum, CNBC, 17 Mar. 2026
The first and easiest way to lengthen the life and vibrancy of your new rug is to follow those guidelines.
—Julia Harrison, Architectural Digest, 17 Mar. 2026
See All Example Sentences for lengthen
Cite this Entry
“Lengthen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lengthen. Accessed 21 Mar. 2026.
Copy CitationKids Definition
lengthen
verb
length·en
ˈleŋ(k)-thən
ˈlen(t)-
lengthened; lengthening
ˈleŋ(k)th-(ə-)niŋ
ˈlen(t)th-
: to make or become longer
Love words? Need even more definitions?
Merriam-Webster unabridged
