sophistic
[adjective]
Synonyms: illogical, fallacious, invalid, irrational, mad, nonrational, reasonless, unreasonable, unreasoned

[TahlilGaran] English Synonym Dictionary ▲

sophistic adjective & noun. [sǝ'fɪstɪk] L15.
[Old & mod. French sophistique or Latin sophisticus, from sophista: see SOPHIST, -IC.]
A. adjective.
1. Of or pertaining to sophistry or sophists; of the nature of sophistry, specious, oversubtle. L15.
Music & Letters Criticism..that used to appear..over-sophisticated, even sophistic.
b. Pertaining to or characteristic of sophists of ancient Greece. M19.

2. Of a person: given to or using sophistry or specious reasoning. M16.
b. noun.
1. sing. & in pl. Sophistic argument or speculation, esp. as a subject of instruction. L15.

2. Sophistry, deceptiveness. M19.

[TahlilGaran] English Dictionary ▲