Noun

• S: (n) incompetence, incompetency (lack of physical or intellectual ability or qualifications)
• direct hypernym / inherited hypernym / sister term
• S: (n) inability, unfitness (lacking the power to perform)
• S: (n) quality (an essential and distinguishing attribute of something or someone) "the quality of mercy is not strained"--Shakespeare
• S: (n) attribute (an abstraction belonging to or characteristic of an entity)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• antonym
• derivationally related form
• S: (n) incompetence (inability of a part or organ to function properly)