Many assume that till is an abbreviated form of until. In fact, it is a distinct word that existed in English at least a century before until, both as a preposition meaning “to” and as a conjunction …

Until is a preposition and a conjunction. Until is often shortened to till or ’til. Till and ’til are more informal and we don’t usually use them in formal writing. … Until as a preposition means ‘up to …

Until is a preposition and a conjunction. Until is often shortened to till or ’til. Till and ’til are more informal and we don’t usually use them in formal writing. Until as a preposition means ‘up to …

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. 3. (often preceded by up) in or throughout the period before: he waited until six. 4. (used with a negative) earlier than; before: he won't come until tomorrow.

UNTIL meaning: 1. continuing to happen before a particular time or event and then stopping: 2. as far as: 3. not…. Learn more.

If something happens until a time, it happens before that time and then stops at that time. I worked until midnight.

Definition of until conjunction from the Oxford Advanced Learner's Dictionary. up to the point in time or the event mentioned. Let's wait until the rain stops. Until she spoke I hadn't realized she wasn't English. You're not going out until you've finished this. Until now I have always lived alone. They moved here in 2009.

Until, till, and 'til are all used to indicate the time when a particular situation or period ends, or when something will happen. Until and till are both standard (but, perhaps surprisingly, till is the older of the two).

conjunction up to the time that or when; till: He read until his guests arrived. before (usually used in negative constructions): They did not come until the meeting was half over.

Until means 'up to the point in time mentioned'. We’ll wait until Monday. I'll be here until two o'clock. Until refers to time. It doesn’t refer to distance. Till is often used in informal spoken English as a short form of until. Some people also use 'til. We waited till 3 o'clock. I'm not leaving till you apologise.