Until or Untill

Which is the correct spelling? The correct spelling is Until (not Untill).

Correct Spelling

Until

Incorrect Spelling

Untill

How common is this error?

There are 417,000 search results on Bing for the misspelling 'Untill'. 'Untill' ranks in the top 10 of most common errors caught by TripleChecker, with at least 2,630 websites containing this mistake.¹

Part of speech and definition

The word "until" functions primarily as a conjunction and a preposition. As a conjunction, it introduces a clause and indicates the time up to which something happens. As a preposition, it indicates the time before a specific event or action occurs.

Examples of until being used in a sentence:

Correct She won't start her project until she finishes her research.
Incorrect She won't start her project untill she finishes her research.
Correct The children played outside until the sun began to set.
Incorrect The children played outside untill the sun began to set.
Correct We can’t leave the house until the storm passes.
Incorrect We can’t leave the house untill the storm passes.

TripleChecker.com automatically catches mistakes like 'untill'.

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Other common questions

What is the correct spelling?

Until

What is its origin?

The word 'until' originates from the Old English word 'untill,' which is a combination of 'un-' meaning 'up to' and 'til' or 'till,' meaning 'to.' It has roots in Middle English as well, reflecting similar meanings.

How do you pronounce until?

The word 'until' is pronounced as /ʌnˈtɪl/. It sounds like "un-till."

Any tips for using the word in a sentence?

The word 'until' can be used in a sentence like, "I will wait here until you arrive." It is important to ensure that 'until' is not confused with 'till,' which is an informal short form of 'until,' and to avoid placing a comma before 'until' unless it precedes a dependent clause. Additionally, 'until' should not be used interchangeably with 'unless,' as they have different meanings and implications.

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1: Data as of 09/01/2024.