invalid
Not officially or legally OK, so it cannot be used or accepted.
Not having legal or official force, so that it cannot be accepted as valid or effective.
Not based on good logic or true facts, so the idea or argument should not be accepted.
Not based on true facts or correct reasoning, and therefore not acceptable as a good argument or conclusion.
Not accepted by a computer or system because it is written wrongly or does not follow the rules.
Not accepted by a computer system, device, or process because it does not meet the required format, rules, or conditions.
An old word for a person who is very sick or disabled for a long time and cannot care for themselves. It is now considered rude.
A person who is too sick or disabled to take care of themselves, especially over a long period; now old-fashioned and often considered offensive.
An old word to describe a person who is very sick or disabled for a long time and cannot care for themselves. It is now considered rude.
Describing someone who is very sick or disabled for a long time and unable to care for themselves; now old-fashioned and often considered offensive.
- Base: invalid
- Base: invalid
- Plural: invalids
invalid argument
1Argument with faulty reasoning
An argument that does not follow good logic, so the conclusion does not really come from the reasons.
- The professor explained why this is an invalid argument in formal logic.
- Saying 'everyone does it' is an invalid argument for breaking the rules.
- He dismissed their complaint as an invalid argument based on rumors, not facts.
invalid input
1Data or command system rejects
Information or a command that a computer or machine does not accept because it is not in the correct form or is not allowed.
- The calculator shows an 'invalid input' error when you type letters instead of numbers.
- If the form says 'invalid input', check that you filled in every field correctly.
- The program stopped because it received invalid input from the user.
invalid password
1Password not accepted by a system
A password that the computer or website does not accept, usually because it is typed incorrectly or does not follow the rules.
- I keep getting an 'invalid password' message when I try to log in.
- If you enter an invalid password three times, your account will be locked.
- The app says my password is invalid, so I need to reset it.
invalid ticket
1Ticket not accepted for use
A ticket that you cannot use for a bus, train, event, etc., because it is not correct, not for that time, or has already been used.
- The inspector said my train pass was an invalid ticket on this route.
- If you forget to sign it, your ticket may be treated as an invalid ticket.
- They refused us entry because the barcode made the ticket look like an invalid ticket.