Lighten and Narrow down

Lighten verb - To become glad or hopeful.

Narrow down and lighten are semantically related In some cases you can use "Narrow down" instead a verb "Lighten".

Nearby Words: light, lightly, lightness, lighter, lightening

Narrow down verb - To reduce in size or volume by or as if by pressing parts or members together.

Lighten and narrow down are semantically related in decrease topic. Sometimes you can use "Lighten" instead a verb "Narrow down", if it concerns topics such as grow less or make less.