ad hoc movement

ad hoc movement

A movement which may occur at any time, for which necessary or appropriate planning data is not yet available. This movement will be partially or fully planned as soon as the required information has been provided. See also fully planned movement; partially planned movement.
References in periodicals archive ?
Most of the Catholic energy in favor of keeping Schiavo alive came not from the church's official leadership, but from a variety of pro-life groups and an ad hoc movement formed largely on the Internet.
The anti-Contra War campaign in the 1980s was an ad hoc movement against United States sponsorship of war against the revolutionary government in Nicaragua.
These ad hoc movements seek to change government policy regarding a specific, ongoing war.