How to say "question" in Japanese

Choosing the right word
  • 問題もんだいJLPT N5approx.Common
    nounThe question on a test or exercise, to be answered or solved; also 'problem' in the sense of an issue. Not the word for a question you ask someone.
    あなたはどのようにしてその問題もんだいを解といたのですか。↗
    How did you solve the problem?
  • 質問しつもんJLPT N5approx.Common
    suru verb, transitive verb, intransitive verb, no-adjectiveA question you put to someone; also an inquiry. When you want to ask something — 'I have a question' — this is the word.
    その事故じこについて彼かれに質問しつもんした。↗
    I asked him about the accident.
  • 問いといJLPT N3approx.Common
    nounA question or query; close to 質問, and often the word for a question in the abstract — something posed to be answered or pondered.
    私はその問といがたいへんやさしいことを発見はっけんした。↗
    I found the question very easy.
  • 疑問ぎもんJLPT N3approx.Common
    noun, na-adjective'Question' only in the sense of a doubt — something you are unsure about or find questionable. It is not a question you ask someone; for that use 質問.
    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.
  • 質疑しつぎJLPT N1approx.Common
    noun, suru verbReally 'questioning' — questions raised in a discussion or exchange — rather than one question you ask; seldom the word you want for an ordinary 'question'.

Use 問題 for test questions and problems, 質問 for a question you ask someone, 「問い」 for a question or query as such, 疑問 for question-as-doubt, and 質疑 for questioning in an exchange.

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

Japanese equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

Say it right, write it right

Core lookup works fully offline, with cloud pronunciation and one-tap save & review. Free, no sign-up.

Free downloadWindowsFree downloadmacOSDownload on the App StoreGet it on Google Play
MobileiOS / Android

Android

QR code for the Google Play pageGet it on Google Play

Scan it with your Android phone to install, or search for “Tomoshi” on Google Play.

iOS

QR code for the App Store pageDownload on the App Store

Scan it with your iPhone camera to install, or search for “Tomoshi” in the App Store.

Install the browser extensionLook words up on any web page · Chrome / Edge / Safari

Screenshot of a Tomoshi lookup resultScreenshot of Tomoshi lookup results on a phone

Windows macOS Chrome / Edge / Safari extension iOS / Android