Adjectives

(a)insecurenot firm or firmly fixed; likely to fail or give way“the hinge is insecure”
(a)insecure, unsafelacking in security or safety“his fortune was increasingly insecure”, “an insecure future”
(a)insecurelacking self-confidence or assurance“an insecure person lacking mental stability”
(s)insecure, unsafenot safe from attack