at or towards a relatively low level or position

down into the cellar

downwards from the surface of the earth or water

below the horizon

downstream

in or into a lying or sitting position

lie down

to or on the ground, surface, or bottom

The house burned down

so as to conceal a particular surface

turn it face down

downstairs

in a direction conventionally the opposite of up

in or towards the south

chiefly Brit away from the capital of a country or from a university city

sent down from Cambridge

to or at the front of a theatrical stage

to leeward

push the helm down

in or into a relatively low condition or status

The family has come down in the world

used to express opposition

Down with the oppressors!

informal to prison

She went down for five years

in or into a state of reduced or relatively low intensity, heat, volume, etc or activity

calm down

into a state of reduced heat, volume, etc

turn the radio down

into silence

They shouted him down

into a slower pace or lower gear

change down into second

to a lower amount, price, figure, or rank

Prices are coming down

behind an opponent

We're three points down

so as to be known, recognized, or recorded, esp on paper

scribble it down

so as to be firmly held in position

stick down the flap of the envelope

I don't like to feel tied down

to the moment of catching or discovering

track the culprits down

to a concentrated state

boil the sauce down

so as to be flattened, reduced, eroded, concentrated, or diluted

water down the gin

heels worn down

completely from top to bottom

hose the car down

depressed; dejected

ill

down with flu

in a downward direction along, through, towards, in, on, etc

running down the hill

at the bottom of

The bathroom is down those stairs

at or to a position further along

I drove down the road

the fine soft feathers that cover a young bird

the finer softer layer of feathers below an adult bird's contour feathers

fine soft feathers used to fill pillows, duvets, etc; eiderdown