ungrateful

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. not feeling or showing gratitude (Freq. 1)
- ungrateful heirs
- "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare
• Syn:
thankless, unthankful
• Ant:
grateful
• Similar to:
unappreciative
• Derivationally related forms:
ungratefulness
2. disagreeable
- "I will not perform the ungrateful task of comparing cases of failure"- Abraham Lincoln
• Similar to:
unpleasant

• Từ đồng nghĩa / Synonyms:
  thankless, unthankful
• Từ trái nghĩa / Antonyms:
  grateful, thankful