That is or has or have been used. / That has or have previously been owned by someone else. / Familiar through use; usual; accustomed.

use; utilization

present participle of use

Alternative spelling of U.S. of A.

(informal) United States dollar

plural of using

Contraction of us is.

plural of U

plural of usefulness

(colloquial, usually with a following present participle or infinitive expression) Used to indicate that the specified action cannot succeed or offers no advantage if successful