7
cost-intensive(adjective, loss, cost, No Money, loss of money)
6
unprofitable(adjective, inaccessible, unapproachable, inapproachable, non profit)
5
inefficient(adjective, inaccessible, unapproachable, inapproachable, non profit)
3
disadvantageous(adjective, unprofitable, unobtainable, unbeneficial)
2
birthless(adjective, unprofitable, unobtainable, unbeneficial)
2
bootless(adjective, unprofitable, unobtainable, unbeneficial)
2
disadvantaged(adjective, unprofitable, unobtainable, unbeneficial)
2
unbeneficial(adjective, exclusive, unprofitable, unobtainable)
2
unlucrative(adjective, unprofitable, unobtainable, unbeneficial)
2
unremunerative(adjective, unprofitable, unobtainable, unbeneficial)
1
extravagant(adjective, loss, cost, No Money, loss of money)
1
be bad money(adjective, unprofitable, unobtainable, unbeneficial)
1
cost-based(adjective, loss, cost, No Money, loss of money)
1
gainless(adjective, unprofitable, unobtainable, unbeneficial)
1
impractical(adjective, unprofitable, unobtainable, unbeneficial)
1
lean(adjective, unprofitable, unobtainable, unbeneficial)
1
money-losing(adjective, loss, cost, No Money, loss of money)
1
non for profit(adjective, unprofitable, unobtainable, unbeneficial)
1
nonprofitable(adjective, inaccessible, unapproachable, inapproachable, non profit)
1
operating at a loss(adjective, unprofitable, unobtainable, unbeneficial)
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APASmart Define. (2016). cost-effective thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cost-effective/thesaurus/antonyms
ChicagoSmart Define. 2016. "cost-effective thesaurus" https://smartdefine.org/cost-effective/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, cost-effective thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cost-effective/thesaurus/antonyms>.
MLASmart Define. "cost-effective thesaurus" 23 February 2016. Web. 25 September 2026. <https://smartdefine.org/cost-effective/thesaurus/antonyms>