80 entries under costly topic. ×

7
flamboyant(adjective, moist, fancy, bright, intense)
7
swank(adjective, fancy, luxury, elegant, sophisticated)
6
high(adjective, hard, fancy, sharp, bright)
6
high-priced(adjective, fancy, fine, extraordinary, extreme)
5
prodigal(adjective, extravagant, splendid, green, lavish)
4
exorbitant(adjective, fancy, extraordinary, extreme, high)
4
gaudy(adjective, fancy, bright, delicate, intense)
4
prized(adjective, fine, valuable, rare, precious)
3
extreme(adjective, strong, hard, extraordinary, exceptional)
3
flashy(adjective, clear, light, fancy, bright)
3
garish(adjective, expensive, steep, high-priced)
3
grandiose(adjective, great, fancy, bright, noble)
3
nonsensical(adjective, fantastic, absurd, expensive, pitiful)
3
ostentatious(adjective, clear, great, fancy, delicate)
3
overpriced(adjective, fancy, high, extravagant, valuable)
3
unreasonable(adjective, fancy, extravagant, lavish, expensive)
2
bizarre(adjective, fantastic, absurd, expensive, steep)
2
foolish(adjective, funny, expensive, steep, high-priced)
2
inestimable(adjective, fine, valuable, rare, precious)
2
outrageous(adjective, loud, expensive, steep, gaudy)
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APASmart Define. (2016). rich thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/rich/thesaurus/synonyms
ChicagoSmart Define. 2016. "rich thesaurus" https://smartdefine.org/rich/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, rich thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/rich/thesaurus/synonyms>.
MLASmart Define. "rich thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/rich/thesaurus/synonyms>