* The errant knight wandered the countryside in search of adventure. (Meaning: the knight was wandering without a clear purpose or direction)
* An errant shot from the archer struck the king's banner. (Meaning: the shot was not intended to hit the banner, it was a mistake)
* The teacher reprimanded the student for his errant behavior in class. (Meaning: the student's behavior was inappropriate or disruptive)
* The errant wind carried the kite high above the trees. (Meaning: the wind was unpredictable and moved in a direction that was not expected)
* The errant thoughts in her mind kept her from falling asleep. (Meaning: the thoughts were unwelcome or unwanted and were interfering with her sleep)