challenge Synonyms - page 3

summon try stumper stumbling-block tournament trial trouble take on call out inspection wrestle withsay whereto waylay war vie undercut ultimatum struggle deny controvert controversy contraversion contraposition contradict contestation contention contend confute confutation confrontation conundrum counter counterwork denunciate demurrer demurral demur demand defy defiance debate cut-off cross-examine criticism conflict complication bay barrier bandy