Pronunciation: (ri-gärd'lis), [key]
1. having or showing no regard; heedless; unmindful (often fol. by of).
2. regardless of, in spite of; without regard for: They'll do it regardless of the cost.
without concern as to advice, warning, hardship, etc.; anyway: I must make the decision regardless.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.