UNTHANKFUL
Meaning of UNTHANKFUL in English
adjective
1.
Synonyms: thankless 2, unappreciated, ungrateful
2.
Synonyms: thankless 1, unappreciative, ungrateful
Antonyms: thankful
Merriam Webster.
Collegiate thesaurus English vocabulary.
Английский энциклопедический словарь тезаурус.
2003