How to say "appalling" in Japanese

Choosing the right word
  • 大それただいそれたCommon
    pre-noun adjectivalCovers 'appalling' only in the sense of outrageously audacious — shocking in its boldness or presumption rather than horrifying. It describes wild, inordinate ambitions, ideas, and similar things that overstep all bounds.
  • 恐るべきおそるべきCommon
    prenominal modifierCovers 'appalling' in its core sense of dreadful or horrifying — so terrible or frightening that it inspires fear. This is the word for shockingly bad or terrifying things.
    The speed of the spread of AIDS is horrifyingly fast.

Use 「恐るべき」 for the core sense of 'appalling' — dreadful, terrifying, or shockingly bad; use 「大それた」 only when it means outrageously audacious, as with wild ambitions or ideas.

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