Close and Sign up

Close verb - To position (something) so as to prevent passage through an opening.

Sign up and close are semantically related In some cases you can use "Sign up" instead a verb "Close".

Nearby Words: closed, closeness, closing, closely, closure

Sign up verb - Engage by written agreement.

Close and sign up are semantically related in come to terms topic. Sometimes you can use "Close" instead a verb "Sign up".