cannot /ˈkænɒt/verb 2noun 2forms 1phrases 2 verb2 •to be unable to do something, or for something to be impossibleI 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. noun2 •Something that cannot be done. •A person who cannot do (something). formscannots Phrases with cannot cannot away withCannot stand or endure; cannot bear. cannot make itCannot reach satisfactory or expected standards or do something competently; describes someone in a hopeless situation.