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Having no justification; groundless: unwarranted suspicions of dishonest dealing. See Synonyms at baseless.
1. lacking justification or authorization
2. another word for unwarrantable
un•war•rant•ed(ʌnˈwɔr ən tɪd, -ˈwɒr-)
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|Adj.||1.||unwarranted - incapable of being justified or explained|
inexcusable - without excuse or justification
|2.||unwarranted - without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy"|
unsupported - not sustained or maintained by nonmaterial aid; "unsupported accusations"
|3.||unwarranted - lacking justification or authorization; "desire for undue private profit"; "unwarranted limitations of personal freedom"|
unreasonable - not reasonable; not showing good judgment