Synonyms|658Antonyms|136|Broader|7Narrower|16Related|365
1
lightheartedness
1
lightness
1
mirth
1
play
0
airiness
0
alertness
0
antic
0
apathy(noun, weakness, indifference)
0
artifice
0
artificiality
0
breeziness
0
brightness
0
buoyancy
0
calculation
0
calmness
0
cant
0
carelessness
0
casualness
0
caution
0
cheer
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APASmart Define. (2015). earnestness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/earnestness/thesaurus/antonyms
ChicagoSmart Define. 2015. "earnestness thesaurus" https://smartdefine.org/earnestness/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, earnestness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/earnestness/thesaurus/antonyms>.
MLASmart Define. "earnestness thesaurus" 23 December 2015. Web. 27 September 2026. <https://smartdefine.org/earnestness/thesaurus/antonyms>