overrespond
/ˌoʊvərɪˈspɑnd/
verb
- To react more strongly or emotionally than is necessary or appropriate.
- The company overresponded to the complaint by firing the employee without a full investigation.
- When the child spilled milk, his father overresponded by shouting for several minutes.
- She tends to overrespond to minor criticism, making a big deal out of nothing.