portentousness
🇺🇸
/pɔːrˈtentəsnəs/
🇬🇧
/pɔːˈtentəsnəs/
A sign that something important might happen, often something bad
The sudden storm seemed like a portentousness of the difficulties ahead.
Being very serious in a way that tries to impress people
His portentousness during the meeting was unnecessary and made everyone uncomfortable.