nonvalid

adjective

non·​val·​id ˌnän-ˈva-ləd 

: not valid : invalid

nonvalid arguments

a nonvalid license

nonvalidity

ˌnän-və-ˈli-də-tē 

-va-

noun

the nonvalidity of the allegations

Synonyms

• baseless
• foundationless
• groundless
• invalid
• unfounded
• unreasonable
• unsubstantiated
• unsupported
• unwarranted

Examples of nonvalid in a Sentence

a nonvalid theory that most scientists rejected long ago

failure to inform the suspect of his rights rendered his confession nonvalid

Word History

First Known Use

1803, in the meaning defined above