Cannot (negative auxiliary); be unable to; not have the ability to (whether due to lacking relevant strength or skill or knowledge or supplies, or due to logical impossibility, etc).
I can’t quite get it to work.
Shut up, can’t you?
2
To be forbidden to; to be not permitted to.
You can’t enter the hall without a ticket.
3
To be unwilling to; to not have the desire of; to don’t want to.
Will you come to dinner with us tonight? Can't; already have plans this evening.
Thesaurus
Synonyms
Antonyms
Idioms & Phrases
you can't get a quart into a pint pot
You cannot fit a large object or amount in something smaller.
you can lead a horse to water, but you can't make it drink
You can show someone how to do something, but you can't make them do it.
you can't teach an old dog new tricks
It is impossible to change people's habits, traits, or mindset.
you can't judge a book by its cover
It is not possible to make reliable judgments about things or people by considering external appearances alone.
you can't tell a book by its cover
Alternative form of you can't judge a book by its cover.
Example Bank
6
01
I can’t quite get it to work.
Wiktionary
02
Shut up, can’t you?
Wiktionary
03
The butler can’t be the murderer — he can't have killed her — because he was in London that evening.
Wiktionary
04
I can't live that kind of life.
Tatoeba · #1315
05
Sometimes I can't help showing emotions.
Tatoeba · #1349
06
I can't tell her now. It's not that simple anymore.
Tatoeba · #1370
Usage Notes
i Register
In some senses, can't is marked as slang, euphemistic. Watch for register when choosing this word.