lessen
/ˈlɛsən/ · les·sen
verb
- To make less; to diminish; to reduce. The rain will lessen the chances of a drought this summer.
- To become less. The noise will lessen as the crowd disperses.
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Antonyms
Did you know? The word 'lessen' is often used in meteorology to describe a decrease in atmospheric pressure or a weakening of a storm system.