Answer: extraneous

AnswerCrossword Clue
EXTRANEOUSForeign.
EXTRANEOUSUnrelated
EXTRANEOUSNonessential
EXTRANEOUSNot essential
extraneousSeparate from the object to which it is attached
extraneousnot forming an essential or vital part
extraneousIrrelevant or unrelated to the subject being dealt with
extraneousOf external origin