[{"id":"01150547-a","lexname":"adj.all","members":[{"lemma":"ungrateful","sense":{"id":"ungrateful%3:00:00::"},"pronunciation":[{"value":"ʌnˈɡɹeɪtfəl"}],"poskey":"a"},{"lemma":"thankless","sense":{"id":"thankless%3:00:00::"},"poskey":"a"},{"lemma":"unthankful","sense":{"id":"unthankful%3:00:00::"},"poskey":"a"}],"definition":["not feeling or showing gratitude"],"example":["ungrateful heirs",{"source":"Shakespeare","text":"How sharper than a serpent's tooth it is / To have a thankless child!"}],"ili":"i6276","partOfSpeech":"a","similar":["01150803-s"],"antonym":[{"target_synset":"01149996-a","source_lemma":"ungrateful","target_lemma":"grateful","target_poskey":"a"}],"derivation":[{"target_synset":"07519950-n","source_lemma":"ungrateful","target_lemma":"ungratefulness","target_poskey":"n"}]},{"id":"02023359-s","lexname":"adj.all","members":[{"lemma":"thankless","sense":{"id":"thankless%5:00:00:unrewarding:00"},"poskey":"a"},{"lemma":"unappreciated","sense":{"id":"unappreciated%5:00:00:unrewarding:00"},"poskey":"a"},{"lemma":"ungratifying","sense":{"id":"ungratifying%5:00:00:unrewarding:00"},"poskey":"a"}],"definition":["not likely to be rewarded"],"example":["grading papers is a thankless task"],"ili":"i11047","partOfSpeech":"s","similar":["02023215-a"]}]