Kumi logo
    Kumi

    Learn Japanese. Where understanding folds into fluency.

    Dictionary

    KanjiKanji vocabularyKana vocabularyKanaRadicalsGrammarJLPT N5

    Learn

    GuidesStart where you areWhat is KMT?RoadmapFAQ

    Connect

    EmailDiscordInstagramThreadsTikTokYouTubeLinkedInBlueskyX

    Newsletter

    Start learning free →

    Free forever tier. No card required.

    © 2026 Kumiai Inc. All rights reserved.

    AboutFAQContactStatusPrivacyTermsAttributions
    Dictionary
    1. Dictionary
    2. Kanji Vocab
    3. 研ぐ

    研ぐ

    研とぐ​

    to sharpen

    N1KMT10News #42+1CoreVerb, TransitiveDaily LifeFood & DiningKanji Vocab12 strokes

    磨ぐ砥ぐ

    とぐ

    Verb, Transitive

    1.
    to sharpen, to hone, to whet, to grind
    2.
    to wash (rice)
    3.
    to scour, to polish, to burnish

    Stroke 0 / 12

    Speed1.0x

    毎まい日にち、ご飯はんを炊たく前まえにお米こめを研とぐ。

    Every day, I wash the rice before cooking it.

    KMT8Food & DiningDaily Life
    鏡かがみを研といでピカピカにした。

    I polished the mirror until it was sparkling clean.

    KMT9Daily LifeHome & Housing
    切きれ味あじが悪わるくなった包ほう丁ちょうを研とぐ。

    I sharpen the knife that has become dull.

    KMT10Food & DiningDaily Life
    彼かれは自じ分ぶんの技ぎ術じゅつを研とぐために、日ひ々びど努りょ力くしている。

    He strives daily to hone his skills.

    KMT10Work & CareerEducation
    寿す司し職しょく人にんは、魚さかなを捌さばく前まえに必かならず包ほう丁ちょうを研とぐ。

    A sushi chef always sharpens their knife before filleting fish.

    KMT10Food & DiningWork & Career

    Characters that make up this word

    研
    と.ぐ…(2)
    polish・study of・sharpen
    Kanji
    ぐ
    gu
    Kana
    Kumi logo

    Track your mastery

    Kumi's KMT system tracks your mastery across kanji, vocabulary, grammar, and reading. Create a free account to use it on 220,000+ concepts.

    Related concepts for this entry

    Used in vocabulary

    • 研
    • ぐ

    Explore more

    Kanji Vocab dictionary›Browse all entries›