Spunk1. (n.) Wood that readily takes fire; touchwood; also, a kind of tinder made from a species of fungus; punk; amadou.
2. (n.) An inflammable temper; spirit; mettle; pluck; as, a man of spunk.
Thesaurus Entries
German tinder, adventuresomeness, adventurousness, aggression, aggressiveness, amadou, ambitiousness, backbone, bang, bottle, bottom, chutzpah, courage, dash, dauntlessness, doggedness, drive, dynamism, enterprise, enterprisingness, fire, force, forcefulness, gameness, get-up-and-get, get-up-and-go, getup, ginger, go, go-ahead, go-getting, go-to-itiveness, grit, gumption, guts, gutsiness, guttiness, heart, heart of oak, hustle, initiative, intestinal fortitude, kick, marrow, mettle, mettlesomeness, moxie, nerve, pep, pepper, piss and vinegar, pith, pizzazz, pluck, pluckiness, poop, punch, punk, push, pushfulness, pushiness, pushingness, pyrotechnic sponge, resolution, resolve, sand, snap, spirit, spunkiness, stamina, starch, stout heart, thrust, tinder, tinder fungus, tinderbox, touchwood, toughness, true grit, up-and-comingness, venturesomeness, venturousness, verve, vim, zing, zip