-1
rumpled
-1
sapless(strong, fit)
-1
scandalous
-1
scraggy
-1
seamy
-1
sedentary
-1
see through(expression, strong)
-1
shameful
-1
shiftless
-1
shoddy
-1
sin
-1
slapdash
-1
sleepy
-1
slow
-1
sluggish
-1
spendthrift
-1
spiteful
-1
sticker
-1
subordinate
-1
theoretical
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APASmart Define. (2015). efficient thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/efficient/thesaurus/antonyms
ChicagoSmart Define. 2015. "efficient thesaurus" https://smartdefine.org/efficient/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, efficient thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/efficient/thesaurus/antonyms>.
MLASmart Define. "efficient thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/efficient/thesaurus/antonyms>