Invalid

Synonyms of invalid

• void
• null
• inoperative

Antonyms of invalid

• sound
• effective
• valid

Collocations of invalid

invalid argument

Frequency: 80 %

He presented an invalid argument during the debate.

invalid password

Frequency: 70 %

Please enter a valid password to access your account.

invalid data

Frequency: 60 %

The system rejected the form due to invalid data input.

invalid excuse

Frequency: 50 %

His boss did not accept his invalid excuse for being late.

invalid license

Frequency: 45 %

He was fined for driving with an invalid license.

Idiomatic Expressions for invalid

• Phrase: invalid contract
  Meaning: a contract that is not legally binding or enforceable
  Usage: The court declared the contract invalid due to a lack of signatures.