a. [ In sense 1, fr. 1st Coact; in sense 2, fr. 2d Coact. ] 1. Serving to compel or constrain; compulsory; restrictive. [ 1913 Webster ]

Any coactive power or the civil kind. Bp. Warburton. [ 1913 Webster ]

2. Acting in concurrence; united in action. [ 1913 Webster ]

With what's unreal thou coactive art. Shak. [ 1913 Webster ]

adv. In a coactive manner. [ 1913 Webster ]