Entry 1 sense Webster, 1913 dauntless · daunt·less · IPA /ˈdɔnt.ləs/ 01 a. Incapable of being daunted; undaunted; bold; fearless; intrepid. 1. Incapable of being daunted; undaunted; bold; fearless; intrepid. “Dauntless he rose, and to the fight returned.” — Dryden.