insecure
//ˌɪn.sɪˈkjʊə(r)//
Adjective
insecureCanonical form
more insecureComparative
most insecureSuperlative
1
Not confident about oneself or one's abilities; lacking self-assurance.
She felt insecure about speaking in front of the class.
2
Not firmly fixed or stable; liable to give way or break.
The ladder felt insecure, so I decided not to climb it.
3
Not adequately protected or guarded; vulnerable to danger or threat.
The building's insecure entrance allowed unauthorized people to enter.