unless

/ษ™nหˆlษ›s/

IPA: /AH0 N L EH1 S/

conjunction
  1. 1

    Except on a specified condition; if not.

    โ€œIโ€™m leaving unless I get a pay rise (AmE: raise).โ€

  2. 2

    If not; used with counterfactual conditionals.

  3. 3

    Except if; used with hypothetical conditionals.

Antonyms

Source: https://en.wiktionary.org/wiki/unless