1) Bold 2) Brave 3) Courageous 4) Feisty 5) Game 6) Having great courage 7) Having gumption 8) Having the gumption 9) Intrepid 10) Robust and uninhibited 11) Showing courage 12) Spirited 13) Spunky Found on https://www.crosswordclues.com/clue/plucky
Pluck'y adjective [ 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... Found on http://www.encyclo.co.uk/webster/P/109
HMS Plucky was a British Algerine Class minesweeper of 950 tons displacement launched in 1943. HMS Plucky was powered by two 3-drum type boilers providing a top speed of 16.5 knots. She carried a peacetime complement of 85 and between 104 and 138 in war. For defence she was armed with one 4-inch dual-purpose gun; four 40 mm anti-aircraft guns and t... Found on http://www.probertencyclopaedia.com/browse/RP.HTM