What does "extraneous" mean?

Not belonging to, or dependent upon, a thing; without or beyond a thing; foreign.

What is a synonym for "extraneous"?

Common synonyms include: accidental, added, additional, adrift, adventitious, alien.

Pronounced //ɛkˈstɹeɪ.ni.əs//.

/ɛkˈstɹeɪ.ni.əs/ adj

adj ·Common ·High school level

Adjective

1
Not belonging to, or dependent upon, a thing; without or beyond a thing; foreign. not-comparable
"to separate gold from extraneous matter"
2
Not essential or intrinsic. not-comparable
"Edward had seen beauty often, and seen it with every possible aid; but never had he seen beauty so perfect, yet so utterly devoid of extraneous assistance."

Adjective

1
coming from the outside wordnet
2
not essential wordnet
3
not pertinent to the matter under consideration wordnet
4
not belonging to that in which it is contained; introduced from an outside source wordnet

"Tom has a hard time blocking out extraneous information."

From Latin extrāneus (“from without, strange”). Doublet of strange. Cognate with estrange (verb), Spanish extraño.