unless

Pronunciation

• IPA: /ənˈlɛs/
•  Audio (US)^{help, file}

Preposition

Preposition unless

1. If you say that $x$ is true unless $y$, $x$ is true only if $y$ does not happen or is not true.

   I'll be there at 8:30 unless the train is late.

   Unless you help, we won't finish on time.

Related words

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