Meaning : In spite of everything. Without regard to drawbacks.
Example :
He carried on regardless of the difficulties.
Synonyms : disregarding, disregardless, irrespective, no matter
Meaning : (usually followed by `of') without due thought or consideration.
Example :
Careless of the consequences.
Crushing the blooms with regardless tread.
Synonyms : careless
Regardless meaning in Telugu.