Extraneous

adjective

ɪk'streɪniəs

Adjective

coming from the outside
“extraneous light in the camera spoiled the photograph”
“relying upon an extraneous income”
Similar:External Outside
not belonging to that in which it is contained; introduced from an outside source
“water free of extraneous matter”
Similar:Foreign
not pertinent to the matter under consideration
“an issue extraneous to the debate”
Similar:ImmaterialImpertinent Orthogonal
not essential
“the ballet struck me as extraneous and somewhat out of keeping with the rest of the play”