5
swollen-headed(adjective, conceited)
4
bigheaded(adjective, phony, arrogant, vain, haughty)
4
bombastic(adjective, boastful)
4
condescending(adjective, arrogant, haughty, disdainful, proud)
4
disdainful(adjective, aloof, pretentious, arrogant, haughty)
4
egoistic(adjective, egotistic)
4
grandiose(adjective, plain)
4
hifalutin
4
lofty(adjective, high, arrogant, haughty, disdainful)
4
patronizing(adjective, arrogant, haughty, disdainful)
4
puffed up(expression, adjective, superior, aloof, pretentious)
4
self-centred
4
selfish(adjective, person, egoist)
3
affected
3
bragging(adjective, superior, aloof, affected, pretentious)
3
chesty
3
high-hat(adjective, arrogant, haughty, disdainful)
3
magisterial
3
pontifical
3
power-hungry
10 years ago|7.8k views|share |citing 
APASmart Define. (2016). self-important thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/self-important/thesaurus/synonyms
ChicagoSmart Define. 2016. "self-important thesaurus" https://smartdefine.org/self-important/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, self-important thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/self-important/thesaurus/synonyms>.
MLASmart Define. "self-important thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/self-important/thesaurus/synonyms>