down
adverb: in a descending direction; toward or into a lower position or level
She walked down the stairs carefully.
adverb: in or into a state of depression, weakness, or defeat
adjective: moving or extending downward
adjective: depressed or unhappy
She's been feeling down lately.
adjective: not functioning or operating, especially of a computer system
The website is down for maintenance.
verb: to drink quickly, especially in a single gulp
noun: soft, fine feathers, especially from a young bird
The pillow was stuffed with goose down.
