01 a. Having no regard; heedless; careless; as, regardless of life, consequences, dignity.
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1.
Having no regard; heedless; careless; as, regardless of life, consequences, dignity.“Regardless of the bliss wherein he sat.” — Milton.
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2.
Not regarded; slighted.[R.]
Syn.
Heedless; negligent; careless; indifferent; unconcerned; inattentive; unobservant; neglectful.