GrammarN22 min read2026-02-17

〜ものか

N2 grammar for expressing strong refusal or denial with emotional intensity

Meaning

〜ものか (or casual もんか) expresses strong negation and the speaker's firm refusal or disbelief. It conveys the speaker's feelings and strong intention, often used as a complaint or grumble. The pattern fundamentally means 'there's no way I would do that' or 'I absolutely refuse to.' Women may use the form ものですか/もんですか in conversation.

Formation

Part of speechFormation
動詞辞書形ものか/もんか
い形容词ものか/もんか
な形容词 なものか/もんか
名词 なものか/もんか

Examples

  1. あのレストランのウェイターはお客さんに対する態度が悪いから、二度と行くものか。
    That restaurant's waiter has such a bad attitude toward customers—I'll never go there again!

  2. A:あなたの元彼、新しい彼女ができたらしいよ。 B:そんなこと知るもんか。
    A: Your ex-boyfriend apparently got a new girlfriend. B: Like I care about that!

  3. A:最近景気がいいみたいですね。 B:いいものですか。最近日本円の価値が下がるばかりで、うちのような輸入企業は大変苦しんでいます。
    A: Business seems to be going well lately, doesn't it? B: Well? The yen keeps losing value, and import companies like ours are really struggling.

Summary

  • Used to express strong negative feelings, refusal, or disbelief about something
  • Contains the speaker's emotional emphasis and unwavering determination not to do something
  • Casual form もんか and feminine forms ものですか/もんですか are common in spoken Japanese

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