failure or refusal to acknowledge receipt of something good from anothertheir daughter's ingratitude for all that they have done for her is truly appalling
their daughter's ingratitude for all that they have done for her is truly appalling
thanklessness, ungratefulness
inappreciativeness, unappreciation
appreciation, appreciativeness, gratefulness, gratitude, thankfulness, thanks
in the 14th century
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。