Alternative form of countertenor

An attack made in response to an attack by the opponents

To attack in response to an attack by opponents.

(finance) Through direct trade; outside a standard stock exchange. / (pharmacy) Able to be obtained without a doctor's prescription. / (figuratively) Legitimately.

A voting system in which voters rank candidates in order of preference and points are awarded to candidates based these rankings. The winning candidate is one with the most points.

Any political or military action taken to defeat insurgency, especially during guerrilla warfare.

Alternative spelling of counterintelligence

(British spelling, Canadian spelling) Alternative spelling of counselor

One should not depend upon a favorable (and typically overoptimistic) outcome to one's plans until it is certain to occur.

The number of messages written by a user on an internet forum or message board.