5
appropriately
2
duly
2
lawfully
2
properly
2
rightfully
2
rightly
1
legally
1
aptly
1
commensurately
1
correctly
1
in an appropriate manner(care, way, mistake, manner)
1
reasonably
1
sensibly
0
duely
0
equitably
0
exactly
0
fairly
0
fittingly
0
honestly
0
impartially
<12>
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APASmart Define. (2015). unduly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unduly/thesaurus/antonyms
ChicagoSmart Define. 2015. "unduly thesaurus" https://smartdefine.org/unduly/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unduly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unduly/thesaurus/antonyms>.
MLASmart Define. "unduly thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unduly/thesaurus/antonyms>