Insecure

in·se·cure   /ˌɪnsɪˈkyʊər/
[in-si-kyoor]

–adjective


1. subject to fears, doubts, etc.; not self-confident or assured: an insecure person.
2. not confident or certain; uneasy; anxious: He was insecure about the examination.
3. not secure; exposed or liable to risk, loss, or danger: an insecure stock portfolio.
4. not firmly or reliably placed or fastened: an insecure ladder.