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extraneous 
extraneous definition
extra·neous (ek strā′nē əs, ik-)
adjective
- coming from outside; foreign an extraneous substance
- not truly or properly belonging; not essential
- not pertinent; irrelevant
Etymology: L extraneus, external, foreign < extra: see extra-
Related Forms:
- extraneously extra′·neous·ly adverb
- extraneousness extra′·neous·ness noun
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