extraneous (adj.)

• accidental
• added
• additional
• adrift
• adventitious
• alien
• apart
• barbarian
• barbaric
• barbarous
• detached
• disconnected
• discrete
• disjunct
• exotic
• exterior
• external
• extra
• extraterrestrial
• extrinsic
• foreign
• foreign-born
• immaterial
• impersonal
• impertinent
• inadmissible
• inapplicable
• inapposite
• inappropriate
• inapt
• incidental
• incommensurable
• incomparable
• inconsequent
• independent
• inessential
• insular
• intrusive
• irrelevant
• isolated
• needless
• nonessential
• nonsubjective
• objective
• other
• out-of-the-way
• outlandish
• outlying
• outside
• outward
• parenthetical
• peripheral
• pointless
• remote
• removed
• separate
• separated
• strange
• superfluous
• supernumerary
• ulterior
• unaffiliated
• unconnected
• unearthly
• unessential
• unfitting
• unnecessary
• unneeded
• unrelated