Used once Synonyms

Used replaced

Definitions for Used

(adjective) being in the habit or custom
(adjective) previously used or owned by another
(adjective) employed in accomplishing something

Synonyms for phrase

UO abbreviation

UO is an abbreviation for Used Once

What does UO stand for?

UO stands for "Used Once"

Definitions for Once

(adjective) having been such at some previous time
(adverb) at an earlier or previous time
(conjunction) just at the moment that