When something overwearies you, it makes you very tired or bored.
If something overwearies you, it is usually not good because it means you are feeling very tired or bored.
Examples:
The long walk overwearies me.
The boring movie overwearies the children.
The loud noise overwearies the baby.
The endless meeting overwearies everyone.
The difficult puzzle overwearies my brain.
The hot weather overwearies the dog.