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Synonyms

lessen

American  
[les-uhn] / ˈlɛs ən /

verb (used without object)

  1. to become less.


verb (used with object)

  1. to make less; reduce.

  2. Archaic. to represent as less; depreciate; disparage.

lessen British  
/ ˈlɛsən /

verb

  1. to make or become less

  2. (tr) to make little of

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • unlessened adjective

Etymology

Origin of lessen

First recorded in 1300–50; late Middle English lessenen, lasnen; equivalent to less + -en 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And some opponents of the term “functional cure” say it may lessen the urgency for achieving the ultimate goal: a complete cure.

From Slate • Mar. 29, 2026

Mia, a year 11 pupil, said it would "help lessen the stress and stop the burden of paying £300 for a dress".

From BBC • Mar. 28, 2026

This has enabled Pyongyang to lessen dependence on its main long-term backer, China.

From Barron's • Mar. 25, 2026

Using the first sale rule is one of several steps companies can take to lessen the tariff hit.

From The Wall Street Journal • Feb. 28, 2026

He was determined to lessen the impact of my statement.

From "Long Walk to Freedom" by Nelson Mandela