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Want to find out what does the word once mean? We gathered all the possible definitions of the word once on our website. Our definition dictionary is updated all the time with new definitions and is ready to help you.


Part of speech: Adverb

At one time; formerly; as, once upon a time; this was once my home; one time only; as, read it over once; at any time; ever; as, if once they lose heart, their cause will be lost.

Part of speech: Noun

One time; at once, together; immediately; as, do not all speak at once; do it at once.

Usage examples "once":