unwarranted (adj.)

• actionable
• anarchic
• anarchistic
• anomic
• apocryphal
• baseless
• black-market
• bootleg
• bottomless
• chargeable
• contraband
• criminal
• cutthroat
• empty
• exacting
• excessive
• exorbitant
• extortionate
• extravagant
• fancy
• felonious
• flawed
• gratuitous
• groundless
• idle
• illegal
• illegitimate
• illicit
• immoderate
• impermissible
• improper
• indefensible
• inexcusable
• inflationary
• inordinate
• intemperate
• irregular
• lawless
• nonlegal
• outlaw
• outlawed
• outrageous
• overpriced
• preposterous
• prohibitive
• punishable
• spiraling
• unasked
• unauthentic
• unauthorized
• uncalled-for
• uncertified
• unchecked
• unconfirmed
• unconscionable
• unconstitutional
• uncorroborated
• under-the-counter
• under-the-table
• undeserved
• undeserving
• undue
• unearned
• unentitled
• unfair
• unfounded
• unjust
• unjustifiable
• unjustified
• unlawful
• unmerited
• unnecessary
• unofficial
• unproved
• unreasonable
• unrestrained
• unsupportable
• unsupported
• untempered
• untenable
• unverified
• unwarrantable
• unworthy
• usurious
• vain
• wrongful