thankless-a
type: LexicalEntry
canonical form: thankless
sense: 02023359-s
part of speech: adjective

unappreciated-a
type: LexicalEntry
canonical form: unappreciated
sense: 02023359-s
part of speech: adjective

ungratifying-a
type: LexicalEntry
canonical form: ungratifying
sense: 02023359-s
part of speech: adjective

02023359-s
type: LexicalConcept
in scheme: en-word.net
definition: not likely to be rewarded
example: grading papers is a thankless task
ili: i11047
lexfile: adj.all
part of speech: adjective satellite
similar: https://en-word.net/synset/02023215-a