Regardless

a.	1.	Having no regard; heedless; careless; as, regardless of life, consequences, dignity. Regardless of the bliss wherein he sat. - Milton.
	2.	Not regarded; slighted.

Adj.	1.	regardless - (usually followed by `of') without due thought or consideration; "careless of the consequences"; "the proverbial grasshopper--thoughtless of tomorrow"; "crushing the blooms with regardless tread" Synonyms: careless, thoughtless
Adv.	1.	regardless - in spite of everything; without regard to drawbacks; "he carried on regardless of the difficulties" Synonyms: disregarding, disregardless, irrespective, no matter

airy, aloof, anyhow, anyway, anywise, apathetic, at all, at all costs, at all events, at any cost, at any rate, ataractic, behindhand, blase, bored, by any means, careless, casual, cursory, degage, delinquent, derelict, despite, detached, devil-may-care, disinterested, dispassionate, disregardant, disregardful, distant, distracted, distrait, easygoing, even with, flippant, forgetful, free and easy, heedless, however, impassive, in any case, in any event, in any way, in despite of, in spite of, inadvertent, inattentive, inconsiderate, incurious, indifferent, inexcitable, inobservant, insouciant, irregardless, irrespective of, lackadaisical, lax, lazy, listless, mindless, neglectful, negligent, nevertheless, no matter what, nohow, nonchalant, nonetheless, notwithstanding, oblivious, offhand, perfunctory, phlegmatic, pococurante, reckless, regardless of, regardless of cost, remiss, respectless, slack, spite of, stolid, tactless, thoughtless, turned-off, unanxious, unconcerned, undiplomatic, undiscriminating, unheedful, unheeding, uninquiring, uninterested, uninvolved, unmarking, unmindful, unnoticing, unnoting, unobservant, unobserving, unprepared, unready, unremarking, unsolicitous, untactful, unthinking, with, withdrawn