思わず

• Reading: おもわず
• Romaji: omowazu
• Kanji breakdown: 思 (shi/omo) — think, thought
• Pronunciation: /o.mo.wa.zɯ/

Meaning

Unintentionally; involuntarily; without thinking. Describes an action done spontaneously.

An adverb formed from the negative form of 思う (omou, to think), literally meaning 'without thinking.' Used before verbs to describe reflexive or impulsive reactions. Often appears with verbs like 笑う (laugh), 叫ぶ (shout), and 泣く (cry).

Examples

1. おかしくて思わず笑ってしまった。 It was so funny that I couldn't help but laugh.
2. 大きな音に思わず体がびくっとした。 The loud noise made me involuntarily flinch.
3. 懐かしい写真を見て思わず涙が出た。 Looking at the nostalgic photos, tears came to my eyes without thinking.

Usage Guide

Context: reactions, storytelling, emotions

Tone: spontaneous

Origin & History

Formed from 思う (omou, to think) in its classical negative adverbial form 思わず, literally 'without thinking.' The kanji 思 combines 田 (field) and 心 (heart), evoking thoughts arising in the heart.

Cultural Context

Era: Classical

Generation: All ages

Social background: Universal