noun
unconsciousness; state of being unconscious
Refers to the physical or mental state of not being conscious, often in expressions such as 無意識になる or 無意識の状態.
事故のあと、彼はしばらく無意識の状態だった。
After the accident, he was unconscious for a while.
na-adjective, noun which may take the genitive case particle 'no'
Describes actions, habits, or reactions done without deliberate awareness or intention. Very common as 無意識に, meaning 'unconsciously' or 'without thinking.'
緊張すると、無意識に早口になる。
When I get nervous, I unconsciously start speaking fast.
彼女は無意識のうちに同じ言葉を繰り返していた。
She was repeating the same words without realizing it.
noun
the unconscious
Technical use in psychoanalysis and related discussion, referring to the unconscious part of the mind rather than simply being unaware in a moment.
フロイトは無意識の働きに注目した。
Freud focused on the workings of the unconscious.