25 entries under adverb topic. ×

3
competently
3
efficiently
3
expeditiously
2
ably
2
capably
1
deftly
1
effectively
1
effectually
0
aptly
0
cleverly
0
diligently
0
economically
0
helpfully
0
lucratively
0
powerfully
0
practically
0
productively
0
proficiently
0
profitably
0
skilledly
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APASmart Define. (2015). inefficiently thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inefficiently/thesaurus/antonyms
ChicagoSmart Define. 2015. "inefficiently thesaurus" https://smartdefine.org/inefficiently/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, inefficiently thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inefficiently/thesaurus/antonyms>.
MLASmart Define. "inefficiently thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/inefficiently/thesaurus/antonyms>