insecurity
self-doubt / instability / vulnerability / precariousness
Noun
pl: insecurities
This term describes a pervasive sense of instability, whether it manifests as an internal psychological struggle or an external systemic vulnerability. When applied to a person, it suggests a fragile self-image and a chronic need for external reassurance to combat feelings of inadequacy. In a socio-economic or geopolitical context, the word shifts toward a lack of safety or predictability. It characterizes environments where protection is absent or where the future is precarious, such as the volatility of a labor market or the fragility of a national border.