invalid
adjective/ɪnˈvælɪd/
/ɪnˈvælɪd/
- not legally or officially acceptable
- The treaty was declared invalid because it had not been ratified.
- People with invalid papers are deported to another country.
- This action would render the agreement invalid.
Oxford Collocations Dictionaryadverb- scientifically
- statistically
- technically
- …
- be
- become
- make something
- …
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- not based on all the facts, and therefore not correct
- an invalid argument
Oxford Collocations Dictionaryadverb- scientifically
- statistically
- technically
- …
- be
- become
- make something
- …
- (computing) of a type that the computer cannot recognize
- An error code will be displayed if any invalid information has been entered.
- invalid characters
opposite valid
Word Originadjective mid 16th cent. (earlier than valid): from Latin invalidus, from in- ‘not’ + validus ‘strong’ (from valere ‘be strong’).
Check pronunciation:
invalid