Lessen and Thin out

Lessen verb - To make smaller in amount, volume, or extent.

Thin out and lessen are semantically related In some cases you can use "Thin out" instead a verb "Lessen".

Nearby Words: lessening, less

Thin out verb - Become sparser.

Lessen and thin out are semantically related in decrease topic. You can use "Lessen" instead a verb "Thin out", if it concerns topics such as reduce the strength of, decrease to a point.