portentously
adverb /pɔːˈtentəsli/
/pɔːrˈtentəsli/
- (literary) in a way that is important as a sign or a warning of something that is going to happen in the future, especially when it is something unpleasant
- His uncle portentously warned him about seeking vengeance.
- (formal, disapproving) in a very serious way that is intended to impress people synonym pompously
- She frowned portentously to add weight to her suggestion.