Meaning of “regardless” - Learner’s Dictionary

regardless

adverb uk us /rɪˈɡɑːdləs/
regardless of sth

despite something:

She'll make a decision regardless of what we think.

without thinking about problems or difficulties:

Mr Redwood claimed he would carry on with his campaign regardless.

(Definition of “regardless” from the Cambridge Learner’s Dictionary © Cambridge University Press)