bumptiously

Adverb

Meaning

in a bumptious manner

Source: WordNet

consequentially proudly confidently arrogantly haughtily precociously insolently conceitedly presumptuously smugly vainly cavalierly aggressively pretentiously brashly

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quietly modestly humbly meekly with respect with much respect

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he behaved rather bumptiously and offended the hostess Source: Internet

bumpsadaisy bumpstock bumptious bumptiousness bumpy bumpy pavement