To have a contrary or opposing effect or force on / To deliberately act in opposition to, to thwart or frustrate

The permanent international peacekeeping organ of the United Nations.

A committee that leads or governs (e.g. city council, student council). / Discussion or deliberation.

To revoke (a former command); to cancel or rescind by giving an order contrary to one previously given. / To recall a person or unit with such an order. / To cancel an order for (some specified goods).

An order to the contrary of a previous one.

(US) A council that coordinates the domestic policy-making process in the White House and offers policy advice to the President

(UK, Canada, New Zealand, occasionally Australia) an honorific status officially conferred on senior or meritorious barristers (and occasionally other kinds of lawyer) during the reign of a queen.

(idiomatic) Sarcastically asserts that those in question thoroughly deserve their fate.

One who counts. / A reckoner; someone who collects data by counting; an enumerator. / An object (now especially a small disc) used in counting or keeping count, or as a marker in games, etc.

Contrary, in opposition; in an opposite direction. / In the wrong way; contrary to the right course.