unsound (redirected from unsounder)

unsound (Fallacious), adjective absurd, defective, disputable, erroneous, false, faulty, groundless, ill-founded, illogical, improbable, incongruous, incorrect, insubstantial, invalid, irrational, mistaken, questionable, senseless, speculative, unauthentic, ungrounded, unreal, unreasoned, unsubstantial, untenable, untrue, unwarranted, worthless, wrong

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unsound (Not strong), adjective below par, broken, decayed, decrepit, defective, deficient, deranged, diseased, disturbed, exhausted, faulty, feeble, ill, imperfect, infirm, insecure, insolvent, precarious, sickly, tainted, unbacked, unhealthy, unreliable, unsafe, unstable, unsteady, unsubstantial, untrustworthy, unwell, warped, wasted, weak, worn

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See also: bad, baseless, defective, deficient, dubious, erroneous, fallacious, false, faulty, ill-judged, illogical, imperfect, impolitic, improper, inaccurate, inadvisable, inconsequential, incorrect, inferior, injudicious, insecure, insubstantial, irrational, misadvised, non compos mentis, nonsubstantial, peccable, precarious, sophistic, unreasonable, unreliable, untenable, untrustworthy