to cause (somebody or something) to remain in a specified place or condition

Keep the door closed

(often + on) to retain possession or use of (something)

Should we keep the apartment on over the summer?

to store (something) habitually for use

Where do you keep the butter?

to preserve (food) in an unspoilt condition

to have (goods) customarily in stock for sale

to record (accounts, events, etc) by entries in a book

to watch over, defend, or guard (somebody or something)

Keep us from harm

to take care of (something), esp as an owner

to support or provide for (somebody)

to maintain (something) in a specified condition

a well-kept garden

to continue to maintain (order, etc)

to manage or run (a shop, household, etc)

to obey or honour (a law, promise, etc)

to act fittingly in relation to (a festival, ceremony, etc)

to keep the Sabbath

to conform to (something) in habits or conduct

to keep late hours

to stay in accord with (a beat or rhythm)

to keep step

to delay or detain (somebody)

What kept you?

to hold back or restrain (somebody)

Try to keep him from going

to save or reserve (something)

I'll keep some for later

to refrain from revealing or releasing (something secret or confidential)

to maintain a specified course

Keep right at the junction

to continue or persist in doing something

Just keep talking

She would keep bothering them

to stay or remain in a specified usu desirable place, situation, or condition

We must keep calm

Keep out of the way

esp of food: to remain in good condition

Knowledge doesn't keep any better than fish — A N Whitehead

to be or remain with regard to health

How are you keeping?

to call for no immediate action

The matter will keep till morning