insecure

adj

1.
not firm or firmly fixed; likely to fail or give way
NHG unsiche
Antonym:
secure
2.
lacking in security or safety
havenless unsafe
Antonym:
secure
Derived from:
insecureness insecurity
3.
lacking self-confidence or assurance
NF onsääker NHG unsiche unconfident
Antonym:
secure
Derived from:
insecureness insecurity
4.
not safe from attack
unsafe
Derived from:
insecureness insecurity