Challenge : a call to someone to participate in a competitive situation or fight to decide who is superior in terms of ability or strength.Miserable : (of a person) wretchedly unhappy or uncomfortable.Deny : state that one refuses to admit the truth or existence of.Disobey : fail to obey (rules, a command, or someone in authority).Abject : extremely unpleasant and degrading; miserable.Synonym of Abject is Miserable