1.
unconsciously, without thinking, involuntarily
Describes doing something without deliberate awareness or intention. The action happens automatically or out of habit.
無意識に口ずさんでいた。
I was humming without realizing it.
彼は無意識に髪を触る癖がある。
He has a habit of touching his hair without thinking.
緊張すると無意識に足を揺らしてしまう。
When I get nervous, I involuntarily shake my leg.
Describes actions performed without the person being aware of doing them. The underlying noun 無意識 means 'the unconscious' or 'unconsciousness,' and can also be used as a の-adjective.
COMMON COLLOCATIONS:
- 無意識に体が動く: one's body moves involuntarily
- 無意識のうちに: without realizing it
- 無意識に避ける: to avoid unconsciously
- 無意識に繰り返す: to repeat unconsciously
SIMILAR WORDS:
- 思わず: involuntarily, unintentionally — emphasizes a spontaneous reaction to a stimulus
- 何気なく: casually, without particular intent — lighter; the person may be vaguely aware but not focused
- 知らず知らずのうちに: without knowing it — more literary; emphasizes gradual, unnoticed change