baseless, unfounded, unsupported, unsubstantiated, unwarranted, unjustified, unproven, illogical, irrational, untenable, insupportable, uncorroborated, unverified, speculative, conjectural, hypothetic... [more]
baseless, unfounded, unsupported, unsubstantiated, unwarranted, unjustified, unproven, illogical, irrational, untenable, insupportable, uncorroborated, unverified, speculative, conjectural, hypothetic... [more]