lessen

[les-uhn] / ˈlɛs ən /

VERB

lower, reduce

Synonyms

STRONGEST

abate curtail decrease dilute diminish dwindle ease erode impair lighten minimize mitigate narrow shrink slacken taper off weaken

STRONG

abridge amputate attenuate clip close contract crop cut de-escalate decline degrade downsize drain minify moderate soft pedal taper thin truncate

WEAK

become smaller cut back die down grow less roll back slack up slow down take the bite out take the edge off take the sting out wind down

Antonyms

STRONGEST

develop enlarge expand extend grow increase intensify irritate lengthen prolong strengthen worsen

STRONG

go up rise stretch

WEAK

raise

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.

The ChatGPT developer got its biggest backing from Amazon.com as it looks to lessen its dependence on Microsoft.

From Barron's • Apr. 3, 2026

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

Rucci previously said the center will use reclaimed wastewater and EPA-certified natural gas generators to help lessen any environmental harms.

From Los Angeles Times • Mar. 27, 2026

"This, of course, does not lessen the loss for Cherie's and Leona's families and our thoughts remain with them both. We are committed to a culture of openness and continuous improvement."

From BBC • Mar. 20, 2026

The webbing was constructed of the lightest possible stone to lessen the weight on the ribs.

From "Cathedral: The Story of Its Construction" by David Macaulay

Vocabulary lists containing lessen

Going Down: Synonyms for "Fall"

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Chop Chop: Synonyms for "Cut"

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Road Trip Magical Mystery List A

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!