na-adjective, noun which may take the genitive case particle 'no', noun
incomplete; imperfect; insufficient; dysfunctional
Formal Sino-Japanese word for a state that is not complete, adequate, or functioning properly. Often used in compounds; in casual contexts, 不十分 or うまく機能していない may sound plainer.
Excessive stress can cause the autonomic nervous system to fall into dysfunction.
We need to review the incomplete system.
この組織は機能不全に陥っている。
This organization has fallen into dysfunction.
父は心不全で入院した。
My father was hospitalized with heart failure.
Unable to reach his goal, he felt a sense of inadequacy.
This system is still incomplete and not functioning properly.
不完全 stresses that something lacks completeness or perfection in general, while 不全 more specifically points to a system, organ, or organization not functioning properly.
欠陥 names a concrete defect or flaw, whereas 不全 describes a broader ongoing state of insufficiency or malfunction.
完全 means complete and perfect, the direct opposite of 不全's sense of being incomplete or malfunctioning.
heart failure
coronary insufficiency
liver failure
kidney failure; renal failure
incomplete fracture; partial fracture
A Sino-Japanese compound written with 不, 'not,' and 全, 'whole; complete,' giving the idea of not being complete or not functioning fully.
respiratory failure
dysfunction; malfunction; insufficiency
underdevelopment; incomplete development · aplasia; hypoplasia; dysgenesis; infantilism