lessen

verb

less·​en ˈle-sᵊn 

lessened; lessening ˈle-sᵊn-iŋ 

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

Synonyms

• abate
• de-escalate
• decrease
• dent
• deplete
• diminish
• downscale
• downsize
• drop
• dwindle
• ease
• knock down
• lower
• reduce

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

If this is the case for your dog, try using these tips from Vet Street to help lessen a dog's anxiety at the groomer. —Nicholas Creel, MSNBC Newsweek, 18 Apr. 2025

Just blasting it at full volume immediately lessened the anxiety. —Jennifer Kite-Powell, Forbes.com, 18 Apr. 2025

According to multiple players, Bieber is pushing to renegotiate his recording contract in order to lessen Braun’s share in his future music. —Shirley Halperin, HollywoodReporter, 16 Apr. 2025

Getting enough sleep, working on stress management techniques, eating a balanced diet and exercising have all been shown to lessen depression symptoms. —Hannah Yasharoff, USA Today, 12 Apr. 2025

Word History

First Known Use

14th century, in the meaning defined at intransitive sense

Rhymes for lessen

• cresson
• lesson
• delicatessen
• vasopressin

Kids Definition

lessen

verb

less·​en ˈles-ᵊn 

lessened; lessening ˈles-niŋ 

-ᵊn-iŋ

: to make or become less