2
moderate(adjective, modest)
2
unassertive(complex, complicated)
2
unornamented(unreasonable, outrageous)
2
overmodest
2
prudent
2
unadorned
2
undecorated
2
unembellished
2
unflamboyant
1
muted
1
unobtrusive
1
ashamed
1
bashful
1
diffident
1
folksy
1
graceful
1
plain-vanilla
1
proper
1
repressed
1
timid
11 years ago|3.1k views|share |citing 
APASmart Define. (2015). ostentatious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ostentatious/thesaurus/antonyms
ChicagoSmart Define. 2015. "ostentatious thesaurus" https://smartdefine.org/ostentatious/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, ostentatious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ostentatious/thesaurus/antonyms>.
MLASmart Define. "ostentatious thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/ostentatious/thesaurus/antonyms>