ともなく / ともなしに【ともなく】

The expressions ともなく and ともなしに convey the idea of doing something without conscious intent, purpose, or clear direction – "absentmindedly," "without really meaning to," or "without knowing." They are used in two main patterns:

Pattern 1: Verb + ともなく / ともなしに

When attached to a verb, this pattern indicates that the action is performed without deliberate intent or focus. The same verb (or a closely related verb) typically appears twice – once before ともなく and once after – to emphasize that the action happened passively or absentmindedly.

Common verb pairings include みる見るともなくみる見る, きく聞くともなくきく聞く, かんがえる考えるともなくかんがえる考える, and まつ待つともなくまつ待つ.

Pattern 2: Interrogative word + ともなく / ともなしに

When combined with question words like どこ, いつ, だれ, or なん何, the pattern means "from somewhere unknown," "at some point," "from no one in particular," etc. – indicating that the source, time, or agent is vague or unidentifiable.

Nuances

• This is a literary and formal expression, commonly found in written Japanese, novels, and essays. It is less common in casual everyday speech.
• ともなく and ともなしに are largely interchangeable, though ともなしに can sound slightly more literary.
• The expression emphasizes a lack of agency or awareness – things happen naturally, passively, or unconsciously.