cannot.
Can not; be unable to (whether due to physical inability, logical impossibility, etc.).
Meaning & usage
Can not; be unable to (whether due to physical inability, logical impossibility, etc.).
I cannot open the window. It is stuck.
The butler cannot be the murderer, he cannot have killed her, because he was in another city at the time.
Be forbidden or not permitted to.
You cannot enter the hall without a ticket.
Where this word comes from
From Middle English can not, cannot, cannouȝt, etc. (compare Old English ne cann), equivalent to can + not.
Something that cannot be done.
the cans and cannots
A person who cannot do (something).
Where this word comes from
From Middle English can not, cannot, cannouȝt, etc. (compare Old English ne cann), equivalent to can + not.
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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.