ir ‧ rel ‧ e ‧ vant AC /ɪˈreləvənt, ɪˈrelɪvənt/ BrE AmE adjective
[ Word Family: noun : ↑ relevance ≠ ↑ irrelevance ; adverb : ↑ relevantly ≠ ↑ irrelevantly ; adjective : ↑ relevant ≠ ↑ irrelevant ]
not useful or not relating to a particular situation, and therefore not important OPP relevant :
We’re focussing too much on irrelevant details.
Students viewed Latin as boring and irrelevant.
largely/totally/completely etc irrelevant
His age is completely irrelevant if he can do the job.
irrelevant to
The defendant’s lawyer argued that his past offenses were irrelevant to this case.
—irrelevantly adverb