The Collaborative International Dictionary
Pluckier
Plucky \Pluck"y\, a. [Compar. Pluckier; superl. Pluckiest.] Having pluck or courage; characterized by pluck; displaying pluck; courageous; spirited; as, a plucky race.
If you're plucky, and not over subject to fright.
--Barham.
Wiktionary
pluckier
a. (en-comparative of: plucky)
WordNet
plucky
pluckier
See plucky