Portmanteau of "irrespective" and "regardless", likely used mistakenly rather than deliberately. While technically this could be a meaningful term directly, due to the double negative of ir- and -less this would make this mean the opposite of the terms that form it, which is never the intent when used.
by derynsystem July 30, 2020
Used to emphasize, or build upon the solid structure of the word(irregardless) a further mutilation or the root (regardless)
He couldnt believe he was there. Irregardlessness of his intention.
by Likinstikin February 11, 2020