Synonyms|174Antonyms|52|Broader|5Narrower|0Related|72
4
inefficiently
2
grimly
1
in vain
0
inadequately
0
incapably
0
untidily
0
abortively
0
amateurishly
0
awkwardly
0
badly
0
capaciously
0
cosmically
0
derivatively
0
destructively
0
embarrassingly
0
epically
0
exigently
0
expensively
0
fecklessly
0
fruitlessly
<123>
For more, visit Efficiently on Power Thesaurus
11 years ago|512 views|share |citing 
APASmart Define. (2015). efficiently thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/efficiently/thesaurus/antonyms
ChicagoSmart Define. 2015. "efficiently thesaurus" https://smartdefine.org/efficiently/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, efficiently thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/efficiently/thesaurus/antonyms>.
MLASmart Define. "efficiently thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/efficiently/thesaurus/antonyms>