Meaning: Unimportant or trivial:
* "Don't get caught up in petty arguments, focus on the bigger picture."
* "I find it petty that she wouldn't share her snacks with me."
* "Their differences seemed petty compared to the challenges they faced together."
Meaning: Mean-spirited or small-minded:
* "It was petty of him to spread rumors about her just because he was jealous."
* "Their petty squabbles were a constant source of frustration for everyone."
* "The petty gossip about the new teacher was unkind and unfair."
Meaning: Belonging to a lower rank:
* "The king's petty officers were responsible for collecting taxes." (This usage is less common today.)
Let me know if you'd like to see more examples or want to explore different sentence structures!