adjective
1.
Synonyms: illogical , fallacious, irrational, mad, nonrational, reasonless, sophistic, unreasonable, unreasoned
Antonyms: valid
2.
Synonyms: null , bad, null and void, void
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. 2003