once
/wʌn(t)s/ adverb, conjunction, noun
Forms onces
- adverb (frequency) One and only one time. “I have only once eaten pizza.”
- adverb (temporal location) Formerly; during some period in the past. “He was once the most handsome man around.”
- adverb (chiefly obsolete) At any time; ever. “If the facts once became known, we'd be in trouble.”
- adverb (obsolete) One day, someday.
- adverb (mathematics) Multiplied by one: indicating that a number is multiplied by one. “Once three is three.”
- conjunction As soon as; when; after. “We'll get a move on once we find the damn car keys!”
- noun (fandom slang) A fan of the Korean girl band Twice.
Synonyms
one time formerly oncet yance wunst immediately in one case at one time erstwhile erst
Antonyms
Etymology
From Middle English ones, from Old English ānes, a remodelling (after ān (“one”)) of ǣnes, itself an extension of ǣne (“once”) with the genitive suffix -es. Equivalent to one + -s. Cognate with Saterland Frisian enst, insen (“once”), West Frisian iens (“once”), Dutch eens (“once”), German Low German eens, ins (“once”), German einst (“once”). More at one (including regarding the development of the pronunciation) and -s.
Webster’s 1913
- noun The ounce.
- adverb 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.
- adverb At some one period of time; --used indefinitely.
Etymology [OE. ones, anes, an adverbial form fr. one, on, an, one. See One-, -Wards.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “once”, CC BY-SA 4.0. Details