violent Definition

1. Marked by or using extreme physical force.
2. Using or involving the use of such force to cause physical harm.
3. Impulsively aggressive and unrestrained in nature or behaviour.

Thesaurus: brutal, cruel, destructive, vicious, abusive, tempestuous, maniacal, raging, riotous, tumultuous, intemperate, uncontrollable; Antonym: calm, peaceful, passive, gentle, moderate.
4. Intense; extreme; vehement.

Example: They took a violent dislike to me