Till-Until | Commonly Confused Words

Till

/tɪl/

An informal way to say until, used to indicate a time before something happens.

'How can you till you are told!I can't see anybody till I've had my tea.'Everyone is free to stay or go, till seven tonight.

This word has no antonyms

/ʌnˈtɪl/

Indicates a point in time at which something ends or changes

So I'm staying right here until a doctor comes.'Until that day in the library...After supper we talked until almost eleven.

This word has no antonyms

Till is often considered more informal than until.
Both words are interchangeable in most contexts meaning up to the point in time or event.
Till originated as an abbreviation of until, but it's actually the older form of the word.
Some consider till less formal, but it is entirely correct and not slang.
Using until can avoid confusion with the farming till.