Hamilton Orchestra Performs Final Concert of the Season on May 1 - The season concludes on Friday, May 1, at 7:30 p.m., with a performance at Wellin Hall, Schambach Center for Music and the Performing Arts.
Commonly Misused Words
"Irregardless is a word that many mistakenly believe to be correct usage in formal style, when in fact it is used chiefly in nonstandard speech or casual writing." Probably a blend of irrespective and regardless, irregardless "has been considered a blunder for decades and will probably continue to be so."
SOURCE: American Heritage Dictionaries' 100 Words Almost Everyone Confuses & Misuses