7
in an appropriate manner(care, way, mistake, manner)
4
fittingly
3
appropriately
3
correctly
3
decently
3
properly
2
acceptably
2
adequately
2
aptly
2
decent
2
right
2
rightly
2
suitably
1
accurately
1
aright
1
congruously
1
duly
1
perfectly
1
pertinently
1
satisfactorily
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APASmart Define. (2015). improperly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/improperly/thesaurus/antonyms
ChicagoSmart Define. 2015. "improperly thesaurus" https://smartdefine.org/improperly/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, improperly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/improperly/thesaurus/antonyms>.
MLASmart Define. "improperly thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/improperly/thesaurus/antonyms>