extraneous

additional immaterial incidental nonessential superfluous supplementary unconnected unnecessary unrelated

accidental adventitious beside the point extra foreign impertinent inadmissible inapplicable inapposite inappropriate inessential needless off the subject peripheral pointless redundant unessential

essential important material necessary needed relevant

appropriate basic integral national native pertinent

external

adventitious alien exotic extrinsic out of place strange

appropriate basic essential integral national native necessary needed pertinent relevant