yes-man \ˈ ̷ ̷ˌ ̷ ̷\noun (pluralyes-men) Etymology:yes (I) + man : a person who agrees with everything that is said to him; especially: a self-seeker who endorses or supports without criticism every opinion or proposal of an associate or superior : sycophant, toady < depriving himself of the advice of all but timid souls and yes-men — Harper's > — compare no-man