unless

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English[edit]

Pronunciation[edit]

Etymology[edit]

onlesse, from on lesse, from "on a less condition" ("on" became un-)

Alternative forms[edit]

Conjunction[edit]

unless

  1. Except on a specified condition; if not.
    I’m leaving unless I get a pay rise (AmE: raise).
    • 1971, Dr. Seuss, The Lorax:
      Unless someone like you...cares a whole awful lot...nothing is going to get better...It's not.
    • 1839, Denison Olmsted, A Compendium of Astronomy Page 95
      Secondly, When a body is once in motion it will continue to move forever, unless something stops it. When a ball is struck on the surface of the earth, the friction of the earth and the resistance of the air soon stop its motion.

Antonyms[edit]

  • (except on a condition): if

Derived terms[edit]

Translations[edit]

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