It technically is a word, as it's been used incorrectly so much that it's been added to most dictionaries. It just...I die a little inside everytime someone uses it. The prefix 'ir' has a reversing effect on the meaning of a word.
Regardless means without regard or consideration for something.
So irregardless should mean with regard or consideration for something.
Regardless means without regard or consideration for something.
So irregardless should mean with regard or consideration for something.