| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | unconvincing, implausible |
| Synonyms: | assailable, baseless, contemptible, controvertible, fallacious, false, feeble, frivolous, groundless, illogical, improbable, inadequate, inane, inconceivable, incredible, inept, lame, poor, puerile, superficial, thin, transparent, trifling, trivial, unbelievable, ungrounded, unpersuasive, unreasonable, unsatisfactory, unsubstantial, weak, weakly, wishful |
| Antonyms: | convincing, plausible, reasonable, serious, strong |
| Main Entry: | groundless |
| Part of Speech: | adjective |
| Definition: | without reason, justification |
| Synonyms: | baseless, bottomless, causeless, chimerical, empty, false, flimsy, foundationless, gratuitous, idle, illogical, illusory, imaginary, unauthorized, uncalled-for, unfounded, unjustified, unprovoked, unsupported, unwarranted |
| Antonyms: | called-for, grounded, justified, proven, reasonable, warranted |
| Main Entry: | hypocritical |
| Part of Speech: | adjective |
| Definition: | deceitful, pretending |
| Synonyms: | affected, artificial, assuming, bland, canting, captious, caviling, deceptive, deluding, dissembling, double, double-dealing, duplicitous, faithless, false, feigning, fishy, fraudulent, glib, hollow, insincere, jivey, left-handed, lying, moralistic, oily, pharisaical, phony, pietistic, pious, sanctimonious, self-righteous, smooth, smooth-spoken, smooth-tongued, snide, specious, spurious, two-faced, unctuous, unnatural, unreliable |
| Antonyms: | actual, authentic, forthright, honest, just, real, reliable, righteous, sincere, truthful, upright |
| Main Entry: | illogical |
| Part of Speech: | adjective |
| Definition: | not making sense |
| Synonyms: | absurd, casuistic, cockeyed, fallacious, false, fatuous, faulty, groundless, hollow, implausible, inconclusive, incongruous, inconsequent, inconsistent, incorrect, invalid, irrational, irrelevant, mad, meaningless, not following, nutty, off the wall, preposterous, screwy, self-contradictory, senseless, sophistic, sophistical, specious, spurious, unconnected, unproved, unreasonable, unscientific, unsound, unsubstantial, untenable, wacky, without basis, without foundation |
| Antonyms: | correct, logical, meaningful, rational, reasonable, right, sensible |
| Main Entry: | improper |
| Part of Speech: | adjective |
| Definition: | not suitable |
| Synonyms: | abnormal, at odds, awkward, bad form, discordant, discrepant, erroneous, false, ill-advised, ill-timed, imprudent, inaccurate, inadmissible, inadvisable, inapplicable, inapposite, inappropriate, inapt, incongruous, incorrect, inexpedient, infelicitous, inharmonious, inopportune, irregular, ludicrous, malapropos, odd, off-base, out-of-place, out-of-season, preposterous, unapt, unbefitting, uncalled-for, uncomely, undue, unfit, unfitting, unseasonable, unsuitable, unsuited, untimely, unwarranted, wrong |
| Antonyms: | appropriate, correct, fitting, proper, right, suitable |
| Main Entry: | inaccurate |
| Part of Speech: | adjective |
| Definition: | erroneous |
| Synonyms: | all wet, careless, counterfactual, defective, discrepant, doesn't wash, fallacious, false, faulty, imprecise, in error, incorrect, inexact, mistaken, off, off base, out*, specious, unfaithful, unreliable, unsound, untrue, way-off, wide*, wild*, wrong |
| Antonyms: | accurate, correct, right |
| Main Entry: | incorrect |
| Part of Speech: | adjective |
| Definition: | wrong |
| Synonyms: | counterfactual, erroneous, false, faulty, flawed, imprecise, improper, inaccurate, inappropriate, inexact, mistaken, not trustworthy, out*, specious, unfitting, unreliable, unseemly, unsound, unsuitable, untrue, way off, wide of the mark, wrong number |
| Antonyms: | correct, right, true |
| Main Entry: | insidious |
| Part of Speech: | adjective |
| Definition: | sneaky, tricky |
| Synonyms: | Machiavellian, artful, astute, corrupt, crafty, crooked, cunning, dangerous, deceitful, deceptive, deep, designing, dishonest, disingenuous, duplicitous, ensnaring, false, foxy, guileful, intriguing, like a snake in the grass, perfidious, perilous, secret, slick, sly, smooth, snaky, sneaking, stealthy, subtle, surreptitious, treacherous, wily, wormlike |
| Notes: | insidious (Latin insidere 'to lie in wait for,' from sedere 'sit') describes stealthy, treacherous behavior; invidious behavior arouses ill will, animosity, or hostility |
| Antonyms: | fair, honest, open, sincere |
| Main Entry: | insincere |
| Part of Speech: | adjective |
| Definition: | dishonest, pretended |
| Synonyms: | ambidextrous, backhanded, deceitful, deceptive, devious, disingenuous, dissembling, dissimulating, double, double-dealing, duplicitous, evasive, faithless, fake, false, hollow, hypocritical, lying, mendacious, perfidious, phony, pretentious, put-on, shifty, slick, sly, snide, two-faced, unfaithful, untrue, untruthful |
| Antonyms: | forthright, frank, honest, open, sincere |