sophistical
131ill-founded — I adjective apocryphal, baseless, empty, erroneous, fallacious, false, fanciful, groundless, inaccurate, incorrect, insubstantial, sophistic, sophistical, suppositional, trumped up, unbased, unconfirmed, unfounded, ungrounded, unsubstantial,… …
132illogical — I adjective absurdus, contradictory, contrary to reason, contrary to the rules of logic, fallacious, faulty, groundless, inconsistent, indefensible, irrational, logically unsound, mistaken, nonscientific, paralogistic, self contradictory,… …
