2
frugally
1
carefully
1
cautiously
1
economically
1
efficiently
1
inexpensively
1
parsimoniously
1
sparingly
1
thriftily
0
cheaply
0
closely
0
confidentially
0
cost-effectively
0
deliberately
0
economicly
0
effectively
0
effectually
0
exactingly
0
exactly
0
firmly
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APASmart Define. (2013). wastefully thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/wastefully/thesaurus/antonyms
ChicagoSmart Define. 2013. "wastefully thesaurus" https://smartdefine.org/wastefully/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2013, wastefully thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/wastefully/thesaurus/antonyms>.
MLASmart Define. "wastefully thesaurus" 17 June 2013. Web. 23 September 2026. <https://smartdefine.org/wastefully/thesaurus/antonyms>