The head of government in a number of European countries or subnational governments, in which a parliamentary or semi-presidential system of government prevails, who presides over the council of mi...

Not debriefed.

(informal, idiomatic) Someone who is easily fooled, victimized, or ridiculed. / (informal, idiomatic) Someone who is eccentric, nonconformist, or otherwise peculiar.

A specified form of slope or gradation.