疑問|ぎもんgimon[0]heiban (flat)

1. noun, na-adjectivedoubt; question; suspicion; dubiousness
   何なんか疑問ぎもんがあったら彼かれにお尋たずねください。↗

   Ask him if you have any doubt.

• Synonym疑いうたがいNeutralNative word covering doubt, suspicion, or a possibility (「殺人の疑い」「病気の疑い」); 「疑問」 is more about not understanding or being unsure.
• Synonym疑惑ぎわくWrittenDoubt about whether something is true or free of wrongdoing (「汚職疑惑」); common in news on scandals, and carries more suspicion than 「疑問」.
• Synonym疑念ぎねんWrittenWritten word for a doubt or misgiving held in the mind (「疑念を抱く」); stresses the feeling of distrust.
• Synonym懐疑かいぎWrittenAn attitude of skepticism, not believing readily (「懐疑的」); leans written. 「疑問」 can be a point of doubt or doubt about a judgment.
• Synonym疑義ぎぎFormalFormal written word for a doubtful point of meaning or validity (「疑義を呈する」); typical of legal and official documents.
• Synonym疑心ぎしんWrittenA suspicious, distrustful mind; mostly in set phrases such as 「疑心暗鬼」; stresses psychological suspicion.
• Synonym疑ぎWrittenWritten style; mostly a Sino-Japanese morpheme in compounds, rarely used alone; in everyday speech say 「疑い」 or 「疑問」.
• Related半信半疑はんしんはんぎNeutralFour-character idiom for the state of half believing and half doubting; 「疑問」 names the unclear point or the doubt itself.
• Related懐疑心かいぎしんWrittenA tendency to not believe things readily; leans written. 「疑問」 is a point of doubt or the doubt itself (「判断に疑問を抱く」).
• Antonym確信かくしんNeutralAntonym: firm conviction, believing without doubt (「確信を持つ」); stands opposite to the doubt of 「疑問」.
• Antonym断定だんていWrittenWritten word for settling on a definite conclusion (「犯人と断定する」); opposite of 「疑問」, where the matter is left unsettled.

Default to 「疑問」 for something you do not understand or are unsure about. Use 「疑い」 for suspicion or a possibility (「殺人の疑い」), 「疑惑」 for suspected wrongdoing in scandals, 「疑念」 for written misgivings, and 「疑義」 for formal doubtful points. 「懐疑」 and 「懐疑心」 are skeptical attitudes, 「疑心」 appears mostly in 「疑心暗鬼」, and 「半信半疑」 describes being half-convinced; the antonyms are 「確信」 and 「断定」.

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

1. 疑うたがい問とうこと。知しらないことやわからないことに気きづき、関心かんしんを持もつこと。また、そのことがら。
2. 疑うたがわしいこと。また、そのことがら。うたがい。疑念ぎねん。