regardless Meaning, Definition & Usage

  1. adjective satellite (usually followed by `of') without due thought or consideration
    careless.
    • careless of the consequences
    • crushing the blooms with regardless tread
  2. adverb in spite of everything; without regard to drawbacks
    irrespective; disregarding; no matter; disregardless.
    • he carried on regardless of the difficulties

WordNet

Re*gard"less adjective
Definitions
  1. Having no regard; heedless; careless; as, regardless of life, consequences, dignity.
    Regardless of the bliss wherein he sat. Milton.
  2. Not regarded; slighted. R. Spectator. Syn. -- Heedless; negligent; careless; indifferent; unconcerned; inattentive; unobservant; neglectful. -- Re*gard"less*ly, adv. -- Re*gard"less*ness, n.

Webster 1913