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Difficult to do with 〜がたい

Grammar: Modality, Permission, Obligation, Prohibition » Possibility, ability, difficulty

The auxiliary adjective がたい is used to express that something is “very difficult” or “nearly impossible” to do, often with a nuance of psychological or emotional difficulty.

Usage

The primary purpose of がたい is to convey that an action or state is extremely difficult to achieve, often implying a sense of impossibility or strong resistance, either due to external circumstances or internal feelings.

It is typically used in formal, written, or literary contexts and carries a stronger sense of difficulty compared to similar expressions like にくい or づらい.

The term often reflects the speaker’s subjective judgment, emphasizing emotional or psychological barriers, such as reluctance or inability despite a desire to act.

It’s commonly used with verbs that reflect mental or emotional processes, such as ()う (to say), (しん)じる (to believe), (わす)れる (to forget), or 理解(りかい)する (to understand), rather than routine physical actions. For instance, ()べがたい (“hard to eat”) is rare, while 理解(りかい)しがたい (“hard to understand”) is common.

Basic Structure

  1. Verb stem + がたい

    • ()う (to say) → 言わがたい (difficult to say)
    • (わす)れる (to forget) → 忘れがたい (difficult to forget)

The kanji form 難い is commonly used, though it may also appear in hiragana as がたい.

Further Reading

Manga Examples