irrelevant

If you're talking about hockey and someone keeps trying to mention football, you might describe their comments as irrelevant. Irrelevant means not related to the subject at hand.

If a rock star becomes irrelevant, it means people are not relating––or even listening––to his music anymore. It isn't part of what people are thinking or talking about. The opposite is relevant, meaning related. An analysis of brush strokes in Manet's painting would be relevant to a discussion of texture in painting in general. Relevant was borrowed from Medieval Latin relevare "to bear upon," from Latin, "to lift up." The prefix ir-, meaning "not," is a variant of in- before words that begin with the letter r.

Definitions of irrelevant
1

adj having no bearing on or connection with the subject at issue

“an irrelevant comment”
irrelevant allegations”
Synonyms:
digressive, tangential
of superficial relevance if any
extraneous, immaterial, impertinent, orthogonal
not pertinent to the matter under consideration
inapplicable, unsuitable
not capable of being applied
moot
of no legal significance (as having been previously decided)
Antonyms:
relevant
having a bearing on or connection with the subject at issue
applicable
capable of being applied; having relevance
germane
relevant and appropriate
pertinent
having precise or logical relevance to the matter at hand
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