is similar to
of superficial relevance if any
"a digressive allusion to the day of the week"; "a tangential remark"
is similar to
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"
is similar to
not capable of being applied
"rules inapplicable to day students"
is similar to
of no legal significance (as having been previously decided)