Unless vs Until


The words unless and until are often used together but their meanings are different, and often confused.

Comparison chart

Edit this comparison chart



Meaning Except for a specified condition. Up to the time of (something happening); Before (a time).
Example I will quit my job unless I get a pay hike. You can go out and play until it gets dark.
Antonym if since
Pronunciation IPA: /ənˈlɛs/, /ʌnˈlɛs/ enPR: ŭntĭl', IPA: /ənˈtɪl/, SAMPA: /@n"tIl/

edit Meaning of Unless vs Until

The word until is used in the context of time and roughly means before and up to the time. For example,

The word unless is used in the context of a precondition and means if this condition is not met. For example,

edit Using the phrase 'unless and until'

The phrase unless and until is commonly used, which often leads to people thinking that the two words mean the same thing. However, this phrase should be used when the situation calls for both a context of time and a precondition. For example, Paul's mother told him that he will not get to play with any of his toys unless and until his homework is completed. In this sentence, completing the homework is a precondition, as well as connotes the time horizon after which Paul is allowed to play with his toys.

Comments: Unless vs Until

Your IP address will be logged and parts of it shown publicly.
Write <youtube v=YouTubeVideoID /> to embed a YouTube video in your comment.
Comments with links (URLs) are not allowed because we get overrun by spam.

December 7, 2013, 5:47pm

Its a nice way to get the words

— 110.✗.✗.224
Stay informed Related Comparisons
Follow Diffen
Make Diffen Smarter.

Log in to edit comparisons or create new comparisons in your area of expertise!

Sign up »
Top 5 Comparisons Recently Compared


Up next

Advice vs. Advise