Vocabulary

Form

to weaken; to grow weak; to wane; to decline (of one's health)

verb vi
N1 freq #43

Example sentences

He sank under the weight of age.

It doesn't work so well because the batteries are running down.

My mother was very weak from a long illness.

Now she lay weak in bed.

The old lady has been rather feeble since her illness.

A good-looking horse may sometimes break down.