unless

/ɪnˈlɛs/
conjunction

Except on a specified condition; if not.

NWL Collins ENABLE

Conjunction 3 meanings

  1. Except on a specified condition; if not.

    “I’m leaving unless I get a pay rise.”

  2. If not; used with counterfactual conditionals.

  3. Except if; used with hypothetical conditionals.

Definitions: Wiktionary (CC BY-SA) via Kaikki/Wiktextract

Where it comes from

Etymology

From Middle English unlesse, earlier on lesse (modern on + less), from (not) on lesse (than) (“(not) on a less compelling condition (than)”). The quality of negation in the word and the lack of stress changed on to un-.

Similar and opposite words

Opposite
if

UNLESS at a glance

UNLESS has 6 letters and scores 6 points in Scrabble (U 1 + N 1 + L 1 + E 1 + S 1 + S 1) and 9 in Words With Friends, before board bonuses. It ranks #1,092 by how often it appears in everyday English. It is valid in ENABLE, NWL2023, Collins/SOWPODS.

Rhymes with unless

All rhymes

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