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.

Life cannot begin on a planet unless certain chemical elements are available in large enough amounts.

From Science Daily • Apr. 6, 2026

Those who have planned appointments and treatments scheduled should attend unless they are told otherwise.

From BBC • Apr. 6, 2026

The top two vote-getters in the primary will compete in the Nov. 3 general election unless one candidate wins a majority in June.

From Los Angeles Times • Apr. 6, 2026

It is opposed to cheese being labeled as Parmesan unless it is produced in the designated region in northern Italy, according to strict production standards.

From The Wall Street Journal • Apr. 6, 2026

“One of them’s bound to be suitable. Whoops! Easy, there, Tim! Mind your ladder, unless you want to try your hand at a bit of jousting.”

From "The Long-Lost Home" by Maryrose Wood