52 entries under adjective topic. ×

16
prudent(careless, imprudent)
14
frugal(careless, economical)
6
economical(careful, conservative)
6
provident(careful, frugal, improvident)
4
efficient
4
stingy(generous, averse)
3
thrifty
3
parsimonious
3
careful
3
miserly
2
cautious
2
judicious
1
alert
1
economic
1
industrious
1
sensible
0
unwasteful
0
accurate
0
apt
0
assiduous
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APASmart Define. (2016). wasteful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/wasteful/thesaurus/antonyms
ChicagoSmart Define. 2016. "wasteful thesaurus" https://smartdefine.org/wasteful/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, wasteful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/wasteful/thesaurus/antonyms>.
MLASmart Define. "wasteful thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/wasteful/thesaurus/antonyms>