simple past tense and past participle of lighten

plural of lightening

plural of lightener

To descend; to light.

(transitive) To alleviate; to reduce the burden of. / (transitive) To make light or lighter in weight. / (transitive) To make less serious or more cheerful.

(transitive) To make brighter or clearer; to illuminate. / (intransitive) To become brighter or clearer; to brighten. / (intransitive, now rare) To flash lightning, to give off lightning.

That which lightens.

(obsolete or proscribed) Alternative form of lightning

The act or result of making something light or lighter. / (medicine) The sensation caused by the descent of the uterus into the pelvic cavity before the onset of labour

present participle of lighten