Synonyms of specious

1 Syllable

wrong, vain, gilt

2 Syllables

made-up, falser, empty, captious, false, untrue, idle, truthless, wronging, dextrous, semblant, wronger, fluffed, wrongest, luring, flawed, spurious, unsound, hollow, falsest, seeming, way-off, jivey

3 Syllables

casuistic, credible, off-the-wall, trumped-up, sophistic, fallacious, unbacked, beguiling, manmade, misleading, plausible, probable, inveigling, flattering, tinseled, incorrect, erroneous, pretentious, likely, pharisaic, apparent, smooth-spoken, pecksniffian

4 Syllables

delusive, unreliable, irrational, excusable, unreasoning, deceptive, cockamamie, ostensive, misfigured, artificial, sophistical, presumable, ostentatious, imprecise, unauthentic, remittable, ostensible, illogical, seductive, nugatory, colorable, presumptive, casuistical, pharisaical

5 Syllables

sophisticated, hypocritical, exculpatory, vindicatory, overambitious, inaccurate

7 Syllables

misrepresentative