presumptuously
Adverb
Meaning
In a presumptuous manner; arrogantly.
Source: Webster's dictionarySynonyms
rashly
arrogantly
contemptuously
brazenly
haughtily
boldly
audaciously
loftily
insolently
impertinently
pretentiously
impudently
saucily
pertly
rudely
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Antonyms
Show all antonymsExamples
he presumptuously overstepped the doctor's orders