Why Irregardless Is Not a Word?

Irregardless is a nonstandard synonym for regardless, which means “without concern as to advice, warning, or hardship,” or “heedless.” Its nonstandard status is due to the double negative construction of the prefix ir- with the suffix -less. ... The bottom line is that irregardless is indeed a word, albeit a clunky one.

Is it correct to say irregardless?

Irregardless means the same thing as “regardless.” Yes, it's a word. But major dictionaries label it nonstandard.

Is irregardless an official word?

"Irregardless means not regardless. ... Other dictionaries, including Webster's New World College Dictionary, The American Heritage Dictionary of the English Language and the Cambridge Dictionary all recognize irregardless as a word. It's not new.