40 entries under adjective topic. ×

10
profitless(expenses, cheapness, costliness)
10
unprofitable(price, expenses, cheapness, costliness)
8
costly(finance, price, expenses, costliness)
6
money-losing(price, expenses, costliness)
5
disadvantageous(finance, expenses, unprofitable, costliness)
5
gainless(finance, expenses, unprofitable, costliness)
5
impractical(finance, expenses, unprofitable, costliness)
4
cost-intensive(price, expenses, costliness)
4
high-priced(finance, expenses, costliness)
4
immoderate(finance, expenses, costliness)
4
improvident(finance, expenses, costliness)
4
inefficient(finance, expenses, costliness)
4
invaluable(finance, expenses, costliness)
4
overpriced(finance, expenses, costliness)
4
profligate(finance, expenses, costliness)
4
uneconomic(finance, expenses, costliness)
4
wasteful(finance, expenses, costliness)
3
burdensome(price, expenses, costliness)
3
cost-based(price, expenses, costliness)
3
demanding(price, expenses, costliness)
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APASmart Define. (2011). cost effective thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cost_effective/thesaurus/antonyms
ChicagoSmart Define. 2011. "cost effective thesaurus" https://smartdefine.org/cost_effective/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2011, cost effective thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cost_effective/thesaurus/antonyms>.
MLASmart Define. "cost effective thesaurus" 23 May 2011. Web. 27 September 2026. <https://smartdefine.org/cost_effective/thesaurus/antonyms>