lessen

verb

less·​en ˈle-sᵊn How to pronounce lessen (audio)
lessened; lessening ˈle-sᵊn-iŋ How to pronounce lessen (audio)
ˈles-niŋ

intransitive verb

: to shrink in size, number, or degree : decrease
The pain will lessen over time.

transitive verb

1
: to reduce in size, extent, or degree
lessen tensions between nations
2
a
archaic : to represent as of little value
b
: to lower in status or dignity : degrade
Choose the Right Synonym for lessen

decrease, lessen, diminish, reduce, abate, dwindle mean to grow or make less.

decrease suggests a progressive decline in size, amount, numbers, or intensity.

slowly decreased the amount of pressure

lessen suggests a decline in amount rather than in number.

has been unable to lessen her debt

diminish emphasizes a perceptible loss and implies its subtraction from a total.

his visual acuity has diminished

reduce implies a bringing down or lowering.

you must reduce your caloric intake

abate implies a reducing of something excessive or oppressive in force or amount.

the storm abated

dwindle implies progressive lessening and is applied to things growing visibly smaller.

their provisions dwindled slowly

Examples of lessen in a Sentence

Medication helps lessen the severity of the symptoms. we lessened our efforts as it became clear they weren't having an effect
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.
Continuous care can be made possible with AI’s capacity to process enormous volumes of real-time health data, giving individuals a richer, moment-to-moment picture of their bodies and potentially lessening the need for expensive emergency interventions. Gaurav Tewari, Forbes.com, 27 May 2025 But the alkaloids in tea allow the body to absorb the caffeine much more slowly, lessening the chance of experiencing that annoying coffee crash. Christina Pérez, Vogue, 27 May 2025 Since then, a growing number of mainstream politicians and pundits in South Korea have advocated for the development of the country’s own nuclear weapons as a way of lessening its reliance on U.S. protection. Max Kim, Los Angeles Times, 23 May 2025 Meanwhile, Windows 11 OS brings the Copilot assistant to your fingertips, lessening your workload by summarizing key notes from documents, emails, and web pages, and generating text and images with just a few clicks. Jade Chung-Lee, PC Magazine, 22 May 2025 See All Example Sentences for lessen

Word History

First Known Use

14th century, in the meaning defined at intransitive sense

Time Traveler
The first known use of lessen was in the 14th century

Browse Nearby Words

Cite this Entry

“Lessen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lessen. Accessed 6 Jun. 2025.

Kids Definition

lessen

verb
less·​en ˈles-ᵊn How to pronounce lessen (audio)
lessened; lessening ˈles-niŋ How to pronounce lessen (audio)
-ᵊn-iŋ
: to make or become less

More from Merriam-Webster on lessen

Last Updated: - Updated example sentences
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