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Definition invalid in British English

invalid adjective

adjective
/ɪnˈvælɪd/
Example

Your ticket is invalid without the airline's official stamp.

Example

The vote has been declared invalid and another election scheduled.

Synonyms and related words
2

not based on facts, evidence, or good judgment

Synonyms and related words
3

not acceptable as a computer instruction or operation

Synonyms and related words
Definition invalid in British English