Undauntable a. : Incapable of being daunted; intrepid; fearless; indomitable.

Example:


Taxonomy
Wookieepedia, Death Star, wiki, Admiral, fleet, Admiral Motti, Battle of Yavin, Star Wars wiki, Despayre, Wikia, Admiral Daala, the line, quadrant, excellent condition, Imperial-class Star Destroyer, Rise of the Empire, BBY, Jaim.

Defination from the web:
Undauntable was an Imperial-class Star Destroyer. ... The destruction of the Undauntable was officially held to be an accident and the blame was posthumously laid at the feet of Admiral Helaw, ...