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Synonyms

until

American  
[uhn-til] / ʌnˈtɪl /

conjunction

  1. up to the time that or when; till.

    He read until his guests arrived.

  2. before (usually used in negative constructions).

    They did not come until the meeting was half over.


preposition

  1. onward to or till (a specified time or occurrence).

    She worked until 6 p.m.

  2. before (usually used in negative constructions).

    He did not go until night.

  3. Scot. and North England. to; unto.

until British  
/ ʌnˈtɪl /

conjunction

  1. up to (a time) that

    he laughed until he cried

  2. (used with a negative) before (a time or event)

    until you change, you can't go out

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

preposition

  1. (often preceded by up) in or throughout the period before

    he waited until six

  2. (used with a negative) earlier than; before

    he won't come until tomorrow

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
until Idioms  
  1. see put off until tomorrow; talk one's arm off (until blue in the face). Also see under till.


Usage

The use of until such time as (as in industrial action will continue until such time as our demands are met ) is unnecessary and should be avoided: industrial action will continue until our demands are met

Commonly Confused

See till 1.

Etymology

Origin of until

First recorded in 1150–1200; Middle English untill, from un- (from Old Norse unz “up to, as far as”) + till till 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Until the IPO, which is expected on June 12, the only people who can buy SpaceX shares directly are large financial players such as banks and pension funds, or very wealthy individuals.

From Barron's • Jun. 3, 2026

"Until now, we could generate or detect these signals, but not do everything in one integrated device," Dr. Li said.

From Science Daily • Jun. 2, 2026

Until then, they’ve guaranteed him plenty of cash.

From Los Angeles Times • May 31, 2026

Until the explosion, Blue Origin was seen as the more prepared of the two.

From BBC • May 29, 2026

Until then, I am free to waste my time drawing pictures, if that makes me happy.

From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman

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