unless

[uhn-les, uhn-] / ʌnˈlɛs, ən- /

CONJUNCTION

except that

Synonyms

WEAK

but except except for excepting that if not lest saving without

CONJUNCTION

upon any less condition than

Synonyms

WEAK

except nisi saving

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

However, it also generates CO2, limiting its environmental benefits unless carbon capture and storage systems are added.

From Science Daily • Jun. 2, 2026

First, my body will be returned to that spot from anywhere in the world, unless it cannot be found or recognized.

From Salon • Jun. 1, 2026

The top two candidates in Tuesday’s jungle primary will advance to a November runoff, unless one candidate manages to garner over 50% of the vote.

From Los Angeles Times • May 31, 2026

"That's still important, but now we know that unless the salinity of the water is tackled, the tiny toads will have no chance of survival."

From BBC • May 31, 2026

True, her salary was generous, but Lady Constance rarely thought to pay it unless asked.

From "The Interrupted Tale" by Maryrose Wood