extraneous

US /ɪkˈstreɪ.ni.əs/
UK /ɪkˈstreɪ.ni.əs/
"extraneous" picture
1.

irrelevant or unrelated to the subject being dealt with

:
•
Try to remove any extraneous details from your report.
•
The discussion was sidetracked by extraneous comments.
:
irrelevantunrelatedsuperfluousunnecessaryredundant
:
essentialrelevantintegralpertinentintrinsic
2.

of external origin

:
•
The plant's growth was affected by extraneous factors like pollution.
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The noise was extraneous to the experiment.
:
externalforeignalien
:
internalintrinsicinherent