INVALID


Meaning of INVALID in English

adjective

1.

Synonyms: illogical , fallacious, irrational, mad, nonrational, reasonless, sophistic, unreasonable, unreasoned

Antonyms: valid

2.

Synonyms: null , bad, null and void, void

Merriam Webster. Collegiate thesaurus English vocabulary.      Английский энциклопедический словарь тезаурус.