down

adverb

1. From a higher position to a lower one; downwards.

   “The cat jumped down from the table.”

2. To or towards what is considered the bottom of something, irrespective of whether this is presently physically lower.

   “Go down to the bottom of the page.”

3. At a lower or further place or position along a set path.

   “His place is farther down the road.”

4. To the south (as south is at the bottom of typical maps).

   “I went down to Miami for a conference.”

preposition

1. From the higher end to the lower of.

   “The ball rolled down the hill.”

2. From north to south of.

   “We sailed down the eastern seaboard.”

3. Towards the mouth of (a river); in the direction of flow of.

   “In this game we float sticks down the river.”

4. From one end to another of (in any direction); along.

   “The bus went down the street.”

adjective

1. Facing downwards.

   “Turn the cloth over so that the patterned side is down.”

2. At a lower level than before.

   “The stock market is down.”

3. Sad, unhappy, depressed, feeling low.

   “Mary seems very down since she split up with her boyfriend.”

4. Sick, wounded, or damaged: Sick or ill.

   “He is down with the flu.”

verb

1. To knock (someone or something) down; to cause to come down; to fell. .mw-parser-output .defdate{font-size:smaller}

   “The storm downed several old trees along the highway.”

2. Specifically, to cause (something in the air) to fall to the ground; to bring down (with a missile etc.).

   “The helicopter was downed by a surface-to-air missile.”

3. To lower; to put (something) down.

   “The bell rang for lunch, and the workers downed their tools.”

4. To defeat; to overpower.

noun

1. A negative aspect; a downer, a downside.

   “I love almost everything about my job. The only down is that I can't take Saturdays off.”

2. A grudge (on someone).

3. A downer, depressant.

4. An act of swallowing an entire drink at once.