Antagonise is a related term of disgruntle.
As verbs the difference between antagonise and disgruntle
is that antagonise is while disgruntle is to make discontent or cross; to cause being in a bad temper.
disgruntle
English
Verb
(disgruntl)
To make discontent or cross; to cause being in a bad temper.
Derived terms
* disgruntlement
* regruntle
Related terms
* grunt
* gruntle