無心|むしんmushin[0]heiban (flat)
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- no-adjective, na-adjectiveinnocence
- no-adjective, Buddhismmind free of obstructive thoughts; detachment; no-mind
- no-adjectiveinsentient
- noun, suru verb, transitive verbpestering (someone for money, etc.); asking; begging; request
Conjugation
| Dictionary form | 無心する(むしんする) |
|---|---|
| Polite (masu) | 無心します(むしんします) |
| Negative (nai) | 無心しない(むしんしない) |
| polite (masen) | 無心しません(むしんしません) |
| classical zu / nu | 無心せず・無心せぬ(むしんせず・むしんせぬ) |
| Past (ta) | 無心した(むしんした) |
| polite (mashita) | 無心しました(むしんしました) |
| Past negative (nakatta) | 無心しなかった(むしんしなかった) |
| polite (masen deshita) | 無心しませんでした(むしんしませんでした) |
| Te form | 無心して(むしんして) |
| Potential | 無心できる(むしんできる) |
| Passive | 無心される(むしんされる) |
| Causative | 無心させる(むしんさせる) |
| Causative passive | 無心させられる(むしんさせられる) |
| Conditional (ba) | 無心すれば(むしんすれば) |
| tara | 無心したら(むしんしたら) |
| Volitional | 無心しよう(むしんしよう) |
| polite (mashou) | 無心しましょう(むしんしましょう) |
| Imperative | 無心しろ(むしんしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym無邪気むじゃきNeutralInnocent and free of ill intent, said mostly of children; 「無心」 is about a mind free of distracting thoughts, absorbed in something, as in 「無心に遊ぶ」.
- Synonym純真じゅんしんWrittenWritten/formal prose for a pure, untainted heart—an inner quality; it does not describe the absorbed state of 「無心」.
- SynonymイノセントNeutralLoanword for innocent or naive, leaning toward the sense of being blameless and free of guilt.
- Synonym天真爛漫てんしんらんまんWrittenWritten/formal four-character idiom for artless innocence, leaning toward a cheerful, unrestrained personality.
- Related純朴じゅんぼくWrittenWritten/formal. Simple and unpretentious, said mostly of unsophisticated country folk.
- Related初々しいういういしいNeutralFresh and unsullied, untouched by worldly experience; fits newcomers, brides and the like; 「無心」 is about absorbed, single-minded focus.
- Related純情じゅんじょうWrittenWritten/formal. A pure, innocent heart, also used of pure-heartedness in love; 「無心」 is the state of a mind free of distracting thoughts.
- Related天真てんしんWrittenWritten/formal. Natural and unpretentious; usually appears in the set phrase 「天真爛漫」.
- Antonym意識的いしきてきNeutralConscious and deliberate; the opposite of the thought-free absorption of 「無心」.
- Antonym有心うしんWrittenWritten/formal. In waka poetics, having depth of feeling and meaning; the opposite of 「無心」.
For a mind free of distracting thoughts, absorbed in what you are doing, use 「無心」, as in 「無心に絵を描く」. For innocence or naivety, use 「無邪気」. Note that 「無心」 also has a begging-for-money sense, as in 「金を無心する」. For deliberate, intentional action use 「意識的」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


