Synonyms|437Antonyms|115|Broader|6Narrower|8Related|705
16
prudent(adjective, careless, imprudent)
14
frugal(adjective, careless, economical)
6
niggardly
6
economical(adjective, careful, conservative)
6
provident(adjective, careful, frugal, improvident)
6
saving
5
cost effective
4
efficient
4
sparing
4
stingy(adjective, generous, averse)
3
thrifty(adjective, economical)
3
parsimonious
3
careful
3
miserly
3
tightfisted
2
cautious
2
close
2
closefisted
2
judicious
1
alert
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APASmart Define. (2016). wasteful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/wasteful/thesaurus/antonyms
ChicagoSmart Define. 2016. "wasteful thesaurus" https://smartdefine.org/wasteful/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, wasteful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/wasteful/thesaurus/antonyms>.
MLASmart Define. "wasteful thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/wasteful/thesaurus/antonyms>