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.

These licensees could choose to lessen their reliance on Arm’s designs, though doing so would be difficult and require a slow, multi-year shift due to a lack of premium alternatives, Morgan Stanley said.

From Barron's • Apr. 7, 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

“But the people that were more worried about the labor market—this should probably increase their concern, not lessen it.”

From The Wall Street Journal • Mar. 17, 2026

To try to lessen these effects, the chart office would often “pencil in” a resource officer to the post of a senior officer who was sick or on vacation.

From "Newjack: Guarding Sing Sing" by Ted Conover

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