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. オレオレ証明書

    オレオレ証明書

    オ​レ​オ​レ​証しょう明めい書しょ

    self-signed certificate

    NTNounTechnologyInternet & Social MediaKanji Vocab38 strokes

    俺俺証明書おれおれ証明書

    おれおれしょうめいしょ

    Noun

    1.
    self-signed certificate
    colloquialInternet

    Stroke 0 / 38

    Speed1.0x

    Characters that make up this word

    証
    あかし…(1)
    evidence・proof・certificate
    Kanji
    明
    あ.かり・あか.るい・あか.るむ・あか.らむ・あき.らか・あ.ける…(18)
    bright・light
    Kanji
    書
    か.く・-が.き・-がき…(2)
    write
    Kanji
    オ
    o
    Kana
    レ
    re
    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

    • 証
    • 明
    • 書
    • オ
    • レ

    Explore more

    Kanji Vocab dictionary›Browse all entries›