The Correct spelling is: irrelevant
Common misspellings of the word irrelevant are:
How do you spell irrelevant?. It is not irelevent or even irrelevent for that matter!
Unrelated to the matter being considered.irrelevantly irÂ·rel'eÂ·vantÂ·ly adv.
SYNONYMS irrelevant, extraneous, immaterial, impertinent. These adjectives mean not pertinent to the subject under consideration: an irrelevant comment; a question extraneous to the discussion; an objection that is immaterial; mentioned several impertinent facts.