impossible.
Not possible; not able to be done or happen.
Meaning & usage
Not possible; not able to be done or happen.
It is difficult, if not impossible, to memorize 20,000 consecutive numbers.
Sarah thinks that nothing is impossible because things can always somehow happen.
Very difficult to deal with.
You never listen to a word I say – you're impossible!
This humidity is impossible.
imaginary
impossible quantities, or imaginary numbers
Where this word comes from
From Middle English impossible, equivalent to im- + possible.
An impossibility.
A skateboard trick consisting of a backflip performed in midair.
Where this word comes from
From Middle English impossible, equivalent to im- + possible.
Try it on your idea.
impossible has 10 characters. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.
These are naming prompts. Meanings and pronunciation can vary; existing brand and domain uses have not been checked.
Explore the name generatorA word with a source.
Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.