Word Study
irregardless
THESAURUS
irregardless
anyhow, anyway, anywise, at all, at all costs, at any cost, at any rate, by any means, despite, even with, however, in any case, in any event, in any way, in despite of, in spite of, irrespective of, nevertheless, nohow, nonetheless, regardless, regardless of, regardless of cost, spite of, withFor further exploring for "irregardless" in Webster Dictionary Online