Antonyms for Good (opposite meaning)
WordNet sense 1 (that which is below standard or expectations as of ethics or decency):
bad, badnessWordNet sense 2 (the quality of being morally wrong in principle or practice):
evil, evilnessWordNet sense 3 ((`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well):
illFrom the ODE community, based on WordNetadd/edit