adjective. ['ˈɪnsəkjɝ'] lacking self-confidence or assurance.
adjective. ['ˈɪnsəkjɝ'] lacking in security or safety.
adjective. ['ˈɪnsəkjɝ'] not safe from attack.
adjective. ['ˈɪnsəkjɝ'] not firm or firmly fixed; likely to fail or give way.