恐るべき おそるべき terrible #18,393 Meanings used before nouns terrible; terrifying; dreadful; horrible; horrifying; appalling astonishing; astounding; staggering; tremendous; awesome; enormous Its kanji 恐 キョウ · おそ.れる、おそ.る、おそ.ろしい、こわ.い、こわ.がる fear, dread, awe