18 entries under appreciative topic. ×

22
thankless(adjective, difficult, rude, inconsiderate, grateful)
17
unthankful(adjective, rude, grateful, churlish)
16
unappreciative(adjective, rude, grateful, churlish)
8
ingrate(noun, adjective, ingratitude)
6
heedless
5
selfish
4
self-centered
4
unmindful(adjective, ingratitude)
2
careless
2
demanding
2
dissatisfied
2
faultfinding(verb, adjective)
2
forgetful
2
unnatural
1
insensible
1
oblivious
0
grasping
0
grumbling
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APASmart Define. (2015). ungrateful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/ungrateful/thesaurus/synonyms
ChicagoSmart Define. 2015. "ungrateful thesaurus" https://smartdefine.org/ungrateful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, ungrateful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/ungrateful/thesaurus/synonyms>.
MLASmart Define. "ungrateful thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/ungrateful/thesaurus/synonyms>