Translation guide
Describes something that lacks consciousness, sensation, or the ability to perceive. In Japanese, this is typically expressed through adjectives or descriptive phrases rather than a single common word.
To describe something that does not have feelings, awareness, or the capacity to sense.
Literally 'no sensation'. Used for things that are numb or lack physical feeling, but can extend to emotional or conscious insentience.
彼は無感覚な人間だ。
He is an insentient person.
A common phrase meaning 'has no sensation'. More colloquial than 無感覚.
このロボットには感覚がない。
This robot has no sensations.
Means 'heartless' or 'without emotion'. Can imply insentience in a poetic or literary sense, but more often means cruel or indifferent.
無情な自然の力。
The insentient forces of nature.
To describe objects or matter that are not alive and thus lack consciousness.
Literally 'non-living thing'. The standard term for inanimate objects in scientific or everyday contexts.
石は無生物だ。
A stone is an insentient object.
Also means 'non-living thing', often used in academic or technical contexts.
非生物と生物の違い。
The difference between insentient and living things.
Means 'has no life'. A simple, natural way to say something is not alive.
人形には命がない。
A doll is insentient.
To describe a state of being without consciousness, often in philosophical or psychological discussions.
Means 'unconscious' or 'without awareness'. Can refer to psychological unconsciousness or simply lack of conscious thought.
彼は無意識の状態だ。
He is in an insentient state.
A straightforward phrase meaning 'has no consciousness'. Used in medical or everyday contexts.
患者には意識がない。
The patient is insentient.
There is no common Japanese word that perfectly matches 'insentient' in all contexts. Choose the expression based on whether you mean lacking physical sensation, lacking life, or lacking consciousness.