Solutions

ex·tra·ne·ous  (k-strn-s)

adj.

1. Not constituting a vital element or part.

2. Inessential or unrelated to the topic or matter at hand; irrelevant. See Synonyms at irrelevant.

3. Coming from the outside: extraneous interference.

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[From Latin extrneus, from extr, outside; see extra-.]

extraneous [ɪkˈstreɪnɪəs]

adj

1. not essential

2. not pertinent or applicable; irrelevant

3. coming from without; of external origin

4. not belonging; unrelated to that to which it is added or in which it is contained