- (mathematics) Multiplied by one: indicating that a number is multiplied by one.
"Once three is three."
- (temporal location) Formerly; during some period in the past.
"He was once the most handsome man around. I once had a bicycle just like that one."
- (frequency) One and only one time.
"I have only once eaten pizza."
- As soon as.
- As soon as; when; after.
"Once you have obtained the elven bow, return to the troll bridge and trade it for the sleeping potion."
"We'll get a move on once we find the damn car keys!"
"Once he is married, he will be able to claim the inheritance."