What is the correct spelling of vacuummed?

Answer 1

It's spelled Vacuum.

This is the American spelling like "color" instead of the British "Colour".

Another spelling is Vacume (Canadian)

There is not always one way to spell words as many have been co-opted by cultures like American.

As we speak English I would go with the British spelling.

Vacuum.

Answer 2

You got it right the first time: vacuumed.

Answer 3

vacuumed