insecurity

As a noun insecurity

is a lack of security, uncertainty.

As an adjective unstable is

having a strong tendency to change.

As nouns the difference between insecurity and precarity

is that insecurity is a lack of security, uncertainty while precarity is (sociology) a condition of existence without predictability or security, affecting material or psychological welfare.

As a noun insecurity

is a lack of security, uncertainty.

As an adjective nonsecurity is

not security, or not directly related to security.

As nouns the difference between insecurity and fear

is that insecurity is a lack of security, uncertainty while fear is (uncountable: unpleasant emotion caused by actual or perceived danger) A strong, uncontrollable, unpleasant emotion caused by actual or perceived danger or threat.

As a verb fear is

to cause fear to; to frighten.

As an adjective fear is

able; capable; stout; strong; sound.

Insecurity is a synonym of shakiness.

As nouns the difference between insecurity and shakiness

is that insecurity is a lack of security, uncertainty while shakiness is the property of being shaky.

Insecurity is a synonym of precariousness.

As nouns the difference between insecurity and precariousness

is that insecurity is a lack of security, uncertainty while precariousness is a state of being uncertain or unstable.

As nouns the difference between insecurity and instability

is that insecurity is a lack of security, uncertainty while instability is the quality of being unstable.

As nouns the difference between entitlement and insecurity

is that entitlement is the right to have something while insecurity is a lack of security, uncertainty.

Insecurity is a synonym of unsteadiness.

As nouns the difference between insecurity and unsteadiness

is that insecurity is a lack of security, uncertainty while unsteadiness is the quality of being unsteady.