adj. 25B6; adjective IRRATIONAL, unreasonable, unsound, unreasoned, unjustifiable; incorrect, erroneous, invalid, spurious, faulty, flawed, fallacious, unscientific; specious, sophistic, casuistic; absurd, preposterous, untenable; informal off beam, way out.
ILLOGICAL
Meaning of ILLOGICAL in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012