No.
Yes, "insecure" is an adjective, while its corresponding abstract noun is "insecurity." Abstract nouns refer to concepts, qualities, or conditions that cannot be physically touched or seen, and insecurity fits this definition as it describes a state of feeling uncertain or anxious.
He has insecurity about his self
Sample sentences using "insecurity": Ellen was afraid her insecurity about her performance would be all too obvious. We were alarmed at the insecurity of their center of operations.
Witness Insecurity was created on 2011-10-01.
15% Experienced food insecurity
The cast of Insecurity - 2011 includes: Sharam Vahday
Insecurity is like carrying a heavy weight on your shoulders that makes you doubt yourself and your worth. Just as the weight can be burdensome and exhausting, insecurity can weigh you down emotionally and mentally.
Mostly fear and insecurity. Oh, and then there's Women. And greed. But still mostly fear and insecurity.
A lack of security.
with an insecurity.
Dateline NBC - 1992 Insecurity was released on: USA: 9 November 2001
selfishness. insecurity.