lessen

verb

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

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.
Unlike past economic shocks to the system, such as the Great Recession or Covid, there will be fewer tools for the government to use to lessen the blow for businesses and consumers. Kevin Williams, CNBC, 4 Apr. 2026 While supportive medical care can be given to lessen the effects, there is currently no cure for ricin poisoning, according to the CDC. Barbie Latza Nadeau, CNN Money, 3 Apr. 2026 It is designed to lessen government regulations on housing and incentivize state and local governments to ease land-use regulations. Zach Halaschak, The Washington Examiner, 2 Apr. 2026 Clare Kelly, 1st, that aims to lessen the burden of property taxes for long-time homeowners. Claire Murphy, Chicago Tribune, 31 Mar. 2026 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 5 Apr. 2026.

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

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