Portentous is defined as causing awe or wonder.(adjective)
An example of portentous is the opening gate of a brightly lit carnival.
Portentous means self-important.(adjective)
An example of portentous is a professor’s lecture that is more about his own experiences than about teaching a subject.
The definition of portentous is having the feeling of evil or foreboding.(adjective)
An example of portentus is the mood created by spooky music at a haunted house.
See portentous in Webster's New World College Dictionary
Origin: L portentosus < portentum: see portent
See portentous in American Heritage Dictionary 4
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