a. 1. Not secure; not confident of safety or permanence; distrustful; suspicious; apprehensive of danger or loss. [ 1913 Webster ]
With sorrow and insecure apprehensions. Jer. Taylor. [ 1913 Webster ]
2. Not effectually guarded, protected, or sustained; unsafe; unstable; exposed to danger or loss. Bp. Hurg. [ 1913 Webster ]
The trade with Egypt was exceedingly insecure and precarious. Mickle. [ 1913 Webster ]
adv. In an insecure manner. [ 1913 Webster ]
n. Insecurity. [ 1913 Webster ]