Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “or else”

or else

B2 used to say what will happen if another thing does not happen: We must be there by six, or else we'll miss the beginning.Either, or, neither, nor B2 used to compare two different things or situations: She's either really talkative and you can't shut her up or else she's silent.Either, or, neither, nor informal used as a threat, sometimes humorously: He'd better find it quickly, or else (= or I will punish him in some way)!Dangers and threats
(Definition of or else from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “or else” in other dictionaries

Translations of “or else”

SMART Thesaurus: Either, or, neither, nor

“or else”: synonyms and related words:

You can also find related words, phrases, and synonyms in the topics:

Word of the Day

roost

When birds roost, they go somewhere to rest or sleep.

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More