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Antonyms for at once


Grammar : Adj, adv
Spell : wuhns
Phonetic Transcription : wʌns



Definition of at once

Origin :
  • c.1200, anes, from ane "one" (see one ) + adverbial genitive. Replaced Old English æne. Spelling changed as pronunciation shifted from two syllables to one after c.1300. Pronunciation change to "wuns" parallels that of one. As an emphatic, meaning "once and for all," it is attested from c.1300, but this now is regarded as a Pennsylvania German dialect formation. Meaning "in a past time" (but not necessarily just one time) is from mid-13c.
  • Once upon a time as the beginning of a story is recorded from 1590s. At once originally (early 13c.) meant "simultaneously," later "in one company" (c.1300), and preserved the sense of "one" in the word; the phrase typically appeared as one word, atones; the modern meaning "immediately" is attested from 1530s.
  • As in immediate : adj instantaneous; without delay
  • As in instantly : adv right now
  • As in now : adv presently
  • As in posthaste : adv fast
  • As in promptly : adv immediately
  • As in readily : adv quickly; effortlessly
  • As in right : adv directly, without delay
  • As in straight : adv immediately, directly
  • As in instantaneously : adv promptly
  • As in right off the bat : adv without delay
  • As in tout de suite : adv immediately
  • As in now : adv immediately
  • As in hand over fist : adv at a tremendous rate
  • As in in a moment : adv at any moment
  • As in right off : adv directly
  • As in straight off : adv directly
  • As in straightaway : adv directly
  • As in directly : adv as soon as possible
  • As in early : adv immediately
  • As in ensemble : adv at the same time
  • As in forthwith : adv immediately

Synonyms for at once

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019