lighten

verb

She tried to lighten the mood by telling a joke.

意味（1）

(transitive) To alleviate; to reduce the burden of.

Sorrow can be lightened by being openly brought out.

意味（2）

(transitive) To make light or lighter in weight.

意味（3）

(transitive) To make less serious or more cheerful.

They looked unto him, were lightened: and their faces were not ashamed.

意味（4）

(intransitive) To become light or lighter in weight.

意味（5）

(intransitive) To become less serious or more cheerful.