24 entries under efficient topic. ×

9
frugal(adjective, characteristic, quality, mean, careful)
4
cost-effective(adjective, close, mean, practical, profit)
4
provident(adjective, mean, careful, practical, prudent)
3
canny(mean, careful, practical, cautious, prudent)
3
saving(mean, careful, practical, cautious, prudent)
2
money-saving(adjective, close, mean, practical, prudent)
2
chary(mean, careful, practical, prudent, frugal)
2
prudent(close, mean, careful, practical, frugal)
2
scrimping(close, mean, careful, practical, prudent)
2
skimping(close, mean, practical, prudent, frugal)
2
spare(close, mean, practical, prudent, frugal)
2
sparing(careful, practical, cautious, prudent, suspicious)
2
time-saving(close, mean, practical, prudent, frugal)
1
circumspect(close, mean, practical, cautious, prudent)
1
curmudgeonly(close, mean, practical, prudent, frugal)
1
meager(close, mean, careful, practical, prudent)
1
methodical(close, mean, practical, prudent, frugal)
1
on the rims(expression, idiom, mean, practical, prudent)
1
penny-wise(close, mean, careful, practical, prudent)
1
pennypinching(practical, prudent, frugal, preservative)
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APASmart Define. (2015). unwasteful thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unwasteful/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwasteful thesaurus" https://smartdefine.org/unwasteful/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unwasteful thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unwasteful/thesaurus/synonyms>.
MLASmart Define. "unwasteful thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unwasteful/thesaurus/synonyms>