Difference between Hold something on and Keep something on

hold something on—secure smth.; keep smth. in position:

• This big screw holds the lid of the box on.

keep something on—

1. continue to possess smth.:

• We are still keeping on the house in France.

2. continue to wear or use smth.:

• In a church men take their hats off; in a synagogue, they keep them on.

3. = hold something on:

• There is a spring underneath so use a finger to keep the lid on while you remove the last screw.