Definition of gravitas noun from the Oxford Advanced Learner's Dictionary

 

gravitas

 noun
noun
BrE BrE//ˈɡrævɪtɑːs//
 
; NAmE NAmE//ˈɡrævɪtɑːs//
 
; BrE BrE//ˈɡrævɪtæs//
 
; NAmE NAmE//ˈɡrævɪtæs//
 
[uncountable](formal)
 
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the quality of being serious synonym seriousness a book of extraordinary gravitas Word OriginLatin, from gravis ‘serious’.
See the Oxford Advanced American Dictionary entry: gravitas