Definition of "Worse" :
noun: something inferior in quality or condition or effect
"For better or for worse."
adjective: (comparative of bad') inferior to another in quality or condition or desirability
"This road is worse than the first one we took."
adjective: changed for the worse in health or fitness
"I feel worse today."
adverb: (comparative of ill') in a less effective or successful or desirable manner
"He did worse on the second exam."