antagonistic[an tag′ə nis′tik]
The definition of antagonistic are actions that are purposefully malicious and unkind, or a person acting in such a way.
An example of someone acting in an antagonistic way is someone who gives a co-worker dirty looks on a regular basis.
showing antagonism; acting in opposition
(comparative more antagonistic, superlative most antagonistic)
- Contending or acting against; as, antagonistic forces.
From antagonist + -ic