Synonyms for Prodigal (same or very similar meaning)
WordNet sense 1 (a recklessly extravagant consumer):
profligate, squandererWordNet sense 2 (recklessly wasteful):
extravagant, spendthriftWordNet sense 3 (tending to squander and waste):
wastefulWordNet sense 4 (very generous):
lavish, munificent, overgenerous, unsparing, unstinting, too-generous, unstintedWordNet sense 5 (willing to give and share unstintingly):
generousFrom the ODE community, based on WordNetadd/edit