Until-Till | Commonly Confused Words

Until

/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

/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

Until is the longer form, starting with un- which can also mean not, helping you remember its the negative signal of time music (until the concert ends').
Both until and till can be used interchangeably in terms of meaning, relating to a point in time.
Till is a less formal alternative to until, making it easier to use in casual conversation.
Until is the more traditional form and often preferred in formal writing.
Remember that till is not an abbreviation of until; its an older word that predates until'.