Here are some synonyms for spiteful:
* Malicious
* Vindictive
* Mean-spirited
* Petty
* Cruel
* Revengeful
Example sentences:
* He spread spiteful rumors about his former friend.
* The children were playing a spiteful prank on their teacher.
* Her spiteful words cut him deeply.
Note: "Spiteful" is often used to describe people who are motivated by envy, jealousy, or a desire for revenge. It's important to remember that it's not always easy to determine someone's true intentions, so it's best to avoid making judgments about their motives.