A weight sufficient to balance another, for example in the opposite end of scales; an equal weight.

To act against with equal weight; to equal in weight; to balance the weight of; to counterbalance. / To act against with equal power; to balance.

An action performed in opposition to another action.

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

A maritime county of England bordered by the North Sea, Northumberland, Tyne and Wear, Cumbria and North Yorkshire.

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.

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.

Something opposite or contrary to something else. / (martial arts) A proactive defensive hold or move in reaction to a hold or move by one's opponent.