1
forgetful(adjective, characteristic, egotism, thanklessness)
1
grasping(adjective, characteristic, egotism, thanklessness)
1
grumbling(adjective, characteristic, egotism, thanklessness)
1
ingrate(adjective, characteristic, egotism, thanklessness)
1
insensible(adjective, characteristic, egotism, thanklessness)
1
mean(adjective, characteristic, egotism, thanklessness)
1
not appreciative(expression, characteristic, egotism, thanklessness)
1
oblivious(adjective, characteristic, egotism, thanklessness)
1
self-centered(adjective, characteristic, egotism, thanklessness)
1
selfish(adjective, characteristic, egotism, thanklessness)
1
unmindful(adjective, characteristic, egotism, thanklessness)
1
unnatural(adjective, characteristic, egotism, thanklessness)
1
unrewarding(adjective, characteristic, egotism, thanklessness)
1
unsatisfying(adjective, characteristic, egotism, thanklessness)
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APASmart Define. (2015). grateful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/grateful/thesaurus/antonyms
ChicagoSmart Define. 2015. "grateful thesaurus" https://smartdefine.org/grateful/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, grateful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/grateful/thesaurus/antonyms>.
MLASmart Define. "grateful thesaurus" 21 September 2015. Web. 26 September 2026. <https://smartdefine.org/grateful/thesaurus/antonyms>