Definition of ill-treat in English:
Act cruelly toward (a person or animal).
- Lakha admitted cruelly ill-treating the goats and slaughtering without a licence.
- Later I found out about her son; mentally challenged like his mother, lives with some distant relatives who ill-treat him.
- The man who doesn't take tea, ill-treats the cat, takes snuff and stands with his back to the fire, is a brute whom I would not advise you to marry on any consideration.