portentously
🇺🇸
/pɔːrˈtentəsli/
🇬🇧
/pɔːˈtentəsli/
in a way that suggests something important or serious is about to happen
He spoke portentously about the impending storm.
彼は差し迫った嵐について重大に話した。
in a way that tries to make something seem more important than it is
The actor portentously announced the start of the play.
俳優は劇の開始を重大に発表した。