A single occurrence; one time: Once will have to do. You can go just this once.
from The American Heritage Dictionary of the English Language, 4th Edition
One single time one time at least .
from Free Scrabble Dictionary
conjunction
As soon as; if ever; when: Once he goes, we can clean up.
from The American Heritage Dictionary of the English Language, 4th Edition
At the moment when .
from Free Scrabble Dictionary
adverb
At any time; ever: Once known, his face is never forgotten.
from The American Heritage Dictionary of the English Language, 4th Edition
At one time in the past; formerly.
from The American Heritage Dictionary of the English Language, 4th Edition
By one degree of relationship: my first cousin once removed.
from The American Heritage Dictionary of the English Language, 4th Edition
One time only: once a day.
from The American Heritage Dictionary of the English Language, 4th Edition
One time and no more .
from Free Scrabble Dictionary
idiom
At once All at one time; simultaneously: Everything happened at once. The view of the skyline is at once awesome, grand, and disappointing.
from The American Heritage Dictionary of the English Language, 4th Edition
At once Immediately; instantly: Leave the room at once.
from The American Heritage Dictionary of the English Language, 4th Edition
adjective
Having been formerly; former: the once capital of the nation.
from The American Heritage Dictionary of the English Language, 4th Edition
That once was .
from Free Scrabble Dictionary
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