adj. & adv.
adj. (foll. by of) without regard or consideration for (regardless of the expense).
adv. without paying attention (carried on regardless). regardlessly adv. regardlessness n.
adj. & adv.
adj. (foll. by of) without regard or consideration for (regardless of the expense).
adv. without paying attention (carried on regardless). regardlessly adv. regardlessness n.
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012