unspeakably
🇺🇸
/ʌnˈspiːkəbli/
🇬🇧
/ʌnˈspiːkəbli/
to an extreme degree, beyond what can be expressed in words
The horror movie was unspeakably terrifying, leaving the audience unspeakably frightened.
そのホラー映画は言語道断に恐ろしいもので、観客を言語道断に恐れさせた。