Irregardless and Regardless of

Irregardless adverb - Regardless; a combination of irrespective and regardless sometimes used humorously.

Regardless of and irregardless are semantically related. In some cases you can replace phrase "Regardless of" with "Irregardless", this terms are similar.

Regardless of preposition - Without being prevented by.

Irregardless and regardless of are semantically related. Sometimes you can replace term "Irregardless" with "Regardless of", this terms are similar.