baseless Synonyms

unfounded groundless unsupported wild unwarranted idle ungrounded unprovoked unverified bareboat unconfirmed wrong vain unwarrantable untrue unsupportable unpardonable without substantiation without merit without justification without cause unsubstantiated unmeritorious uncorroborated unattested trumped-up unproven unjustifiable untenable ill-founded unjustified unsound unreasoned unreasonable inexcusable indefensible importable illogical gratuitous foundationless flimsy false fallacious empty conjectural causeless insupportable invalid irrational uncreated