無作為|むさくいmusakui[2]nakadaka (mid-high)
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- no-adjective, na-adjectiverandom; unintentional; unintended
Conjugation
| Plain form | 無作為(むさくい) |
|---|---|
| Polite (desu) | 無作為です(むさくいです) |
| Negative (dewa nai) | 無作為ではない(むさくいではない) |
| polite (dewa arimasen) | 無作為ではありません(むさくいではありません) |
| Past (datta) | 無作為だった(むさくいだった) |
| Past negative (dewa nakatta) | 無作為ではなかった(むさくいではなかった) |
| Te form (de) | 無作為で(むさくいで) |
| Adverbial (ni) | 無作為に(むさくいに) |
| Conditional (nara) | 無作為なら(むさくいなら) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- SynonymランダムNeutralLoanword for 'random', common in everyday speech and computing; 「無作為」 leans toward statistics and survey terminology.
- Related手当たり次第てあたりしだいNeutralColloquial: grabbing or using whatever comes to hand, with no selection; 「無作為」 means leaving things to chance without deliberate intent.
- Antonym作為的さくいてきWrittenWritten/formal prose for deliberate, contrived, artificial action — the opposite of 「無作為」's absence of human intent.
- Antonym計画的けいかくてきNeutralPlanned and systematic — the opposite of 「無作為」's leaving things to chance.
Use 「無作為」 for leaving things to chance with no human intent, as in 「無作為抽出」. In everyday speech say 「ランダム」; for grabbing whatever is at hand, 「手当たり次第」; for deliberate action, 「作為的」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


