とも無く
Absentmindedly, Mindlessly, Unconsciously, Without paying attention
Structure
(1) ともなしに
(2) Verb + と
Explanation
The patterns ともなく and ともなしに express that an action (A) was performed without any specific intention or focus, which then led to an unexpected event (B). They can be translated as 'while idly doing (A), (B) happened', or 'without really thinking about (A), (B)'.
This grammar is formed by attaching the particle と, the adverbial particle も, and the conjunctive form of the い-Adjective ない to the dictionary form of a verb. A literal interpretation would be something along the lines of 'without any particular intent to do so, while doing (A), (B) occurred'.
- 窓の外を眺めるともなく眺めていたら、珍しい鳥が飛んできた。While I was idly gazing out the window, a rare bird flew by.
- 本を読むともなく読んでいたら、心に残る言葉を見つけた。I was casually reading a book when I found a phrase that really stuck with me.
The structure ともなしに is almost identical, but it uses the noun なし ('without') followed by the particle に, rather than the conjugated form of the adjective ない.
- 車でラジオを聞くともなしに聞いていたら、懐かしい曲が流れてきた。I was half-listening to the radio in the car when a nostalgic song came on.
- スマホをいじるともなしにいじっていたら、昔の友達の結婚報告を見かけた。I was just aimlessly scrolling on my phone when I happened to see a marriage announcement from an old friend.
Both ともなく and ともなしに frequently appear in sentences ending with たら. This combination highlights the specific moment that an unexpected event occurred during the mindless activity. It is important to note that while the initial action is conscious (e.g., watching TV, walking), the subsequent discovery or event that results from it is entirely unintentional.
Examples
何も考えず、歩くともなく歩いていたら、見知らぬ公園に着いてしまった。
I was walking aimlessly without thinking about anything, and I ended up in a park I'd never seen before.
雑誌を読むとも無く読んでいたら、内容がまったく頭に入ってこなかった。
I was reading the magazine without really concentrating, so none of the content was sinking in.
授業中にノートの隅に何かを描くともなく描いていたら、先生に怒られた。
I was absentmindedly doodling something in the corner of my notebook during class and got scolded by the teacher.
暇つぶしにスマホを見るともなく見ていたら、あっという間に１時間が過ぎていた。
I was looking at my phone without any real purpose just to kill time, and an hour went by in the blink of an eye.
シャワーを浴びながら歌を歌うともなく歌っていたら、家族に「上手だね」と褒められた。
I was unconsciously singing a song while taking a shower, and my family complimented me, saying I was good.
いつもの道だからと運転するとも無く運転していたら、うっかり降りるインターを通り過ぎてしまった。
I was driving on autopilot since it was my usual route, and I accidentally missed my exit.
電車の中で窓の外の景色を眺めるともなく眺めていると、心が落ち着く。
Idly gazing at the scenery outside the window while on the train calms my mind.
アニメ：「彼女の手料理を食べるともなく食べていたが、その一つ一つに込められた愛情に気づいていなかった。」
Anime: 'I was just mindlessly eating her home-cooked meals, not realizing the love she put into every single dish.'
日記に何を書くともなく書いているうちに、自分の本当の気持ちに気づいた。
As I was writing in my diary without any particular subject in mind, I came to realize my true feelings.
昔のアルバムを見るともなく見ていたら、忘れていた楽しい記憶が蘇ってきた。
I was idly looking through an old photo album when happy memories I had forgotten came flooding back.
公園のベンチに座り、行き交う人々を見るとも無く見て過ごすのが好きだ。
I like sitting on a park bench and spending time aimlessly watching the people go by.
何を掃除するともなく掃除し始めたら夢中になって、気づけば部屋がピカピカになっていた。
I started cleaning without a plan, got completely absorbed in it, and before I knew it, the whole room was sparkling clean.