1. not feeling or showing gratitude; not thankful for kindness received

Examples

• She felt hurt by her ungrateful children who never called.
• It would be ungrateful not to thank them for their help.
• The ungrateful employee complained despite receiving a raise.
• Don’t be ungrateful for what you have.
• His ungrateful attitude made others reluctant to help him.
• The rescue dog seemed anything but ungrateful to its new family.