Erratic
Erratic adjective - Lacking in steadiness or regularity of occurrence.
Usage example: because of your erratic attendance at practice, you're in danger of being cut from the team
Violent and erratic are semantically related. In some cases you can use "Violent" instead an adjective "Erratic".
Nearby Word: errant
Mutual synonyms
Both words in one sentence
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Hormone-Addled Teenager: Dren starts displaying increasingly erratic and violent behavior as her adolescence kicks in.
Source: Film / Splice - Though a few characters like Black Widow and Luke Cage do notice that "Peter's" behavior is becoming increasingly violent and erratic, nobody ever thinks hard enough to actually dig any further.
Source: Idiot Plot / Comic Books - She's finally demoted and eventually fired when she finally has the guts and decency to admit to her fault in hiring a mentally unstable physician and ignoring repeated complaints about the man's erratic and violent behavior.
Source: Karma Houdini Warranty
Cite this Source
Violent and Erratic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/erratic/violent
Erratic & Violent. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/erratic/violent>.
Violent or Erratic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/erratic/violent.
Google Ngram Viewer shows how "erratic" and "violent" have occurred on timeline