n.

having no qualities that would render it valuable or useful

"the drill sergeant's intent was to convince all the recruits of their worthlessness"

同義詞：ineptitude

the quality of being without practical use

Meritocratic education and social worthlessness
[Value and worthlessness of clinical studies in the diagnosis of brain death]
Meritocratic education and social worthlessness. By K. Lampert
Regimes of value and worthlessness : two stories I know, plus a Marxian reflection
[Worth and worthlessness of the pilocarpine test for early diagnosis of glaucoma (author's transl)].
The role of self-blame and worthlessness in the psychopathology of major depressive disorder.
Narcissistic defensiveness: Hypervigilance and avoidance of worthlessness
Pessimism, Worthlessness, Anhedonia, and Thoughts of Death Identify DSM–IV Major Depression in Hospitalized, Medically Ill Patients
Ill health is powerlessness: a phenomenological study about worthlessness, limitations and suffering
Feelings of worthlessness, traumatic experience, and their comorbidity in relation to lifetime suicide attempt in community adults w...