insecure

not firm or firmly fixed; likely to fail or give way

• “the hinge is insecure”

lacking in security or safety

• “his fortune was increasingly insecure”
• “an insecure future”

lacking self-confidence or assurance

• “an insecure person lacking mental stability”

not safe from attack

not financially safe or secure

• “a bad investment”
• “high risk investments”
• “anything that promises to pay too much can”
• “;”