The meaning of lighten is to make light or clear : How to use lighten in a sentence. To become lighter or less dark;
See examples of lighten used in a sentence. To make lighter in weight. Such news lightens my heart.
Lighten verb (make less heavy) lighten someone's burden, load, etc. When something lightens or when you lighten it, it becomes less dark in colour. The sky began to lighten.
Definition of lighten verb in oxford advanced learner's dictionary. To lighten means to reduce the darkness or intensity of something. Jan 20, 2026lighten (third-person singular simple present lightens, present participle lightening, simple past and past participle lightened) (transitive) to make brighter or clearer;
To lighten something is to make it brighter or shine a light on it. You can lighten your dark basement room with plenty of lamps and a coat of white paint.