Translation guide
Describes doing something without paying full attention, often due to being lost in thought or distracted.
彼はぼんやりと見つめていた。
He was staring absent-mindedly.
うっかり鍵を忘れた。
I absent-mindedly forgot my keys.
Express that an action is performed without conscious attention, often automatically or while thinking about something else.
An adverb meaning 'vaguely', 'absent-mindedly', or 'in a daze'. Very common and natural for describing actions done without focus.
ぼんやり describes a state of mental fuzziness or lack of focus, often without negative consequences. うっかり implies a careless mistake or oversight. Use うっかり when the absent-mindedness leads to an error.
ぼんやりしていて、電柱にぶつかった。
I was spacing out and walked into a utility pole.
うっかりして、電柱にぶつかった。
I carelessly walked into a utility pole (because I wasn't paying attention).
Many adverbs like ぼんやり can optionally take と (ぼんやりと) for a slightly more descriptive or literary feel. In casual speech, と is often dropped.
He was staring absent-mindedly out the window.
ぼんやり歩いていたら、友達にぶつかった。
I was walking absent-mindedly and bumped into a friend.
An adverb meaning 'carelessly' or 'inadvertently'. Often used for mistakes made due to absent-mindedness.
うっかり約束を忘れてしまった。
I absent-mindedly forgot about the appointment.
うっかりして電車を乗り過ごした。
I was absent-minded and missed my train stop.
Literally 'with an empty sky above', meaning 'with one's head in the clouds'. Describes a state of being physically present but mentally elsewhere.
彼は上の空で話を聞いていた。
He was listening absent-mindedly, his thoughts elsewhere.
Means 'without particular reason' or 'just because'. Can imply doing something absent-mindedly or on a whim.
何となくテレビをつけた。
I turned on the TV absent-mindedly.
A more literary adverb meaning 'aimlessly' or 'without purpose'. Used in formal or written contexts.
彼は漫然と日々を過ごしている。
He spends his days absent-mindedly.
ぼんやりと空を見る。
To gaze absent-mindedly at the sky.
ぼんやりと空を見る。
To gaze absent-mindedly at the sky.