extraneous

(s) not pertinent to the matter under consideration
- an issue extraneous to the debate
- the price was immaterial
- mentioned several impertinent facts before finally coming to the point
orthogonal, impertinent, immaterial,
(s) not essential
- the ballet struck me as extraneous and somewhat out of keeping with the rest of the play
(s) not belonging to that in which it is contained; introduced from an outside source
- water free of extraneous matter
- foreign particles in milk
foreign,
(s) coming from the outside
- extraneous light in the camera spoiled the photograph
- relying upon an extraneous income
- disdaining outside pressure groups
external, outside,

orthogonal impertinent immaterial foreign external outside

extraneousness