推理|すいりsuiri[1]atamadaka (head-high)
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Definitions
- noun, suru verb, transitive verbreasoning; inference; deduction
- nounmystery genre; detective genre
Conjugation
| Dictionary form | 推理する（すいりする） |
|---|---|
| Polite (masu) | 推理します（すいりします） |
| Negative (nai) | 推理しない（すいりしない） |
| polite (masen) | 推理しません（すいりしません） |
| classical zu / nu | 推理せず・推理せぬ（すいりせず・すいりせぬ） |
| Past (ta) | 推理した（すいりした） |
| polite (mashita) | 推理しました（すいりしました） |
| Past negative (nakatta) | 推理しなかった（すいりしなかった） |
| polite (masen deshita) | 推理しませんでした（すいりしませんでした） |
| Te form | 推理して（すいりして） |
| Potential | 推理できる（すいりできる） |
| Passive | 推理される（すいりされる） |
| Causative | 推理させる（すいりさせる） |
| Causative passive | 推理させられる（すいりさせられる） |
| Conditional (ba) | 推理すれば（すいりすれば） |
| tara | 推理したら（すいりしたら） |
| Volitional | 推理しよう（すいりしよう） |
| polite (mashou) | 推理しましょう（すいりしましょう） |
| Imperative | 推理しろ（すいりしろ） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Synonym推論すいろんNeutralA noun for conclusions drawn logically from premises, as in 「推論を立てる」; leans academic, while 「推理」 also covers detective work and everyday surmising.
- Synonym推測すいそくNeutralGeneral-purpose word for guessing, as in 「推測にすぎない」; the most versatile of the group, and the grounds need not be solid.
- Synonym推察すいさつNeutralSurmising a situation or another person's feelings, as in 「ご推察の通り」; 「推理」 stresses working out the truth by logic.
- Synonym推量すいりょうNeutralConjecture or supposition; much used as a grammar term, as in 「推量の助動詞」.
- Synonym推断すいだんNeutralInferring a conclusion from given information, as in 「死因を推断する」; leans written/formal and stresses the act of judging.
- Related割り出すわりだすNeutralA verb: to work out or pin down an answer from clues, as in 「犯人を割り出す」; common in news reporting too.
- Related推定すいていNeutralPresuming something to be true from surrounding circumstances, as in 「推定年齢」 and 「無罪推定」; mostly used with data and in law.
- Related予測よそくNeutralPredicting what has yet to happen, as in 「天気予測」; the judgment is about the future, not present facts.
- Related予断よだんNeutralJudging in advance; mostly seen in the negative idiom 「予断を許さない」, meaning it is too early to tell.
- Related推知すいちWrittenA written/formal term for inferring to know, as in 「容易に推知できる」; rare — say 「推測」 in most cases.
- Related推考すいこうWrittenA written/formal term for pondering and surmising, as in 「推考を重ねる」; rare, and easily confused with 「推敲」.
- Related推算すいさんNeutralEstimating a figure through calculation, as in 「人口を推算する」; the focus is on computing a number.
- Related計り知るはかりしるNeutralA verb: to gauge or fathom; mostly seen in the negative 「計り知れない」, meaning something is beyond measure.
- Antonym直感ちょっかんNeutralAntonym: judging by instinct or a hunch, as in 「直感で選ぶ」, the opposite of logic-based 「推理」.
To work out the truth logically from clues, use 「推理」 — as in 「推理小説」 or 「推理を働かせる」. For plain guessing say 「推測」, for academic derivation 「推論」, and for forecasting the future 「予測」. The opposite of logic-based 「推理」 is 「直感」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
English equivalents
