portentous
adjective/pɔːˈtentəs/
/pɔːrˈtentəs/
- (literary) important as a sign or a warning of something that is going to happen in the future, especially when it is something unpleasant
- a portentous sign
- (formal, disapproving) very serious and intended to impress people synonym pompous
- a portentous remark
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portentous