難問|なんもんnanmon[0]heiban (flat)

Common
Definitions
  1. noun, suru verbperplexity; difficult question; difficult problem
    彼かれは難問なんもんを解決かいけつした。↗
    He solved the difficult problem.
Conjugation
Dictionary form難問する(なんもんする)
Polite (masu)難問します(なんもんします)
Negative (nai)難問しない(なんもんしない)
polite (masen)難問しません(なんもんしません)
classical zu / nu難問せず・難問せぬ(なんもんせず・なんもんせぬ)
Past (ta)難問した(なんもんした)
polite (mashita)難問しました(なんもんしました)
Past negative (nakatta)難問しなかった(なんもんしなかった)
polite (masen deshita)難問しませんでした(なんもんしませんでした)
Te form難問して(なんもんして)
Potential難問できる(なんもんできる)
Passive難問される(なんもんされる)
Causative難問させる(なんもんさせる)
Causative passive難問させられる(なんもんさせられる)
Conditional (ba)難問すれば(なんもんすれば)
tara難問したら(なんもんしたら)
Volitional難問しよう(なんもんしよう)
polite (mashou)難問しましょう(なんもんしましょう)
Imperative難問しろ(なんもんしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Related謎なぞNeutralRefers to a mystery or riddle — something whose truth or cause is unknown; 「難問」 is a question or problem that is hard to solve.
  • RelatedパズルNeutralA loanword for jigsaws and other puzzle games worked out by logical thinking; 「難問」 is a difficult question or problem.
  • RelatedエニグマWrittenA loanword used in written/formal prose for an enigma — something hard to understand or a mysterious person; 「難問」 is simply a difficult problem.
  • Antonym易問WrittenUsed in written/formal prose for an easy question or problem; the direct opposite of 「難問」.
  • Antonym簡単な問題NeutralA neutral phrase for a simple, easy problem; the opposite of 「難問」.

Use 「難問」 for a difficult question or thorny problem, as in 「難問を抱える」. For mysteries use 「謎」, for puzzle games 「パズル」; the opposite is 「簡単な問題」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 難むずかしい問題もんだい。
Kanji in this word

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