Synonyms of the word

regardless

• adj. Having no regard; heedless; careless.
• adv. Without attention to warnings or indications of bad consequences.
• prep. Paying no attention to; regardless of.

careless

• adj. (archaic) Free from care; unworried, without anxiety.
• adj. Not concerned or worried (about).
• adj. Not giving sufficient attention or thought, especially concerning the avoidance of harm or mistakes.

disregarding

• v. present participle of disregard.

disregardless

• adv. (nonstandard) Regardless.

heedless

• adj. Unaware, without noticing.

irrespective

• adj. heedless, regardless.
• adj. Without regard for conditions, circumstances, or consequences; unbiased; independent; impartial.
• adj. (obsolete) disrespectful.

thoughtless

• adj. Marked by or showing lack of due thought or care; careless.
• adj. Inconsiderate, inattentive.
• adj. Lacking thought or consideration.

unheeding

• adj. Showing disregard.