In a bibulous manner; in a way characterized by habitual or excessive drinking.
From bibulous + -ly (adverbial suffix). Creates the adverbial form of the adjective, allowing the quality to modify verbs and actions rather than nouns.
Adding -ly to 'bibulous' lets you describe someone's actions as drunk—'he laughed bibulously'—turning a state into a behavioral quality, which is why Victorian novelists used this word to describe characters' mannerisms.
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