self-importantly
Adverb
Meaning
self-importantly (comparative more self-importantly, superlative most self-importantly)
In a self-important manner.
Synonyms
proudly
arrogantly
selfishly
haughtily
airily
egotistically
loftily
conceitedly
vainly
impudently
brashly
boastfully
bumptiously
like someone owns the place