Till-Until | Commonly Confused Words

Till

/tɪl/

A word used to denote time up until a certain point or event

'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 something will happen or continue up to a certain time or event

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

Until is the longer, more formal version.
Till is less formal and often used in conversational English.
Remember that till is just a shorter version of until, but not a misspelling.
In written English, until might be seen in more formal contexts.
Both words can be used interchangeably but prefer until in professional writing.