regardless

adjective

1. having or showing no regard; heedless; unmindful (often followed by of).

adverb

2. without concern as to advice, warning, hardship, etc.; anyway: I must make the decision regardless.

Idioms

3. regardless of, in spite of; without regard for: They’ll do it regardless of the cost.

adjective

1. (usually foll by of) taking no regard or heed; heedless

adverb

2. in spite of everything; disregarding drawbacksto carry on regardless

adj.

“indifferent,” 1590s, from regard (n.) + -less. Elliptical for “regardless of consequences, expenses, etc.,” from 1872.