Meanings
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1
verb
to express opinions in a pompous or dogmatic way
He loves to pontificate about art, even though he knows little about it.
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2
verb
to officiate as a bishop, especially at Mass
The bishop will pontificate at the cathedral service.
Thesaurus
Etymology
From Latin pontifex ('high priest') via pontificatus ('office of a pontiff') and Late Latin pontificare ('to act as a pontiff'); into Middle English, later 'to speak in a pompous or dogmatic manner'.