Posted On: March 26, 2007, 8:37 am CDT

Posted By: Jewel

—Usage note Irregardless is considered nonstandard because of the two negative elements ir- and -less. It was probably formed on the analogy of such words as irrespective, irrelevant, and irreparable. Those who use it, including on occasion educated speakers, may do so from a desire to add emphasis. Irregardless first appeared in the early 20th century and was perhaps popularized by its use in a comic radio program of the 1930s.

So, technically, irregardless is a word. It's just not a very good one.