Definition of Once

1. Adverb. On one occasion. "Once I ran into her"

Exact synonyms: In One Case, One Time

2. Adverb. As soon as. "Once we are home, we can rest"

3. Adverb. At a previous time. "She was a dancer once"
Exact synonyms: At One Time, Erst, Erstwhile, Formerly

Definition of Once

1. n. The ounce.

2. adv. By limitation to the number one; for one time; not twice nor any number of times more than one.

Definition of Once

1. Adverb. (context: frequency) One and only one time. ¹

2. Adverb. (context: temporal location) Formerly; during some period in the past. ¹

3. Adverb. (mathematics) multiplied by one: indicating that a number is multiplied by one ¹

4. Conjunction. As soon as; when; after. ¹

¹ Source:

Definition of Once

1. one single time [n]

Medical Definition of Once

1. 1. By limitation to the number one; for one time; not twice nor any number of times more than one. "Ye shall . . . Go round about the city once." (Josh. Vi. 3) "Trees that bear mast are fruitful but once in two years." (Bacon) 2. at some one period of time; used indefinitely. "My soul had once some foolish fondness for thee." (Addison) "That court which we shall once govern." (Bp. Hall) 3. at any one time; often nearly equivalent to ever, if ever, or whenever; as, once kindled, it may not be quenched. "Wilt thou not be made clean? When shall it once be?" (Jer. Xiii. 27) "To be once in doubt Is once to be resolved." (Shak) Once is used as a noun when preceded by this or that; as, this once, that once. It is also sometimes used elliptically, like an adjective, for once-existing. "The once province of Britain." . at once. At the same point of time; immediately; without delay. "Stand not upon the order of your going, but go at once." . "I . . . Withdrew at once and altogether." . At one and the same time; simultaneously; in one body; as, they all moved at once. Once and again, once and once more; repeatedly. "A dove sent forth once and again, to spy." . Origin: OE. Ones, anes, an adverbial form fr. One, on, an, one. See One-, -Wards. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Once

once (current term)
once again
once and for all
once bitten, twice shy
once in a blue moon
once in a while
once more
once or twice
once over
once overs

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