Learn English – single word for a person who overreacts

pejorative-languagesingle-word-requests

I'm looking for a single word that describes a person who often overreacts to things.

Best Answer

You could perhaps try touchy (meaning 1) (American Heritage Dictionary via the Free Dictionary):-

Tending to take offense with slight cause; oversensitive.

or perhaps hysterical (meaning 2) (Random House Dictionary via Dictionary.com):-

uncontrollably emotional.

or possibly histrionic (meaning 2) (Random House Dictionary via Dictionary.com):-

deliberately affected or self-consciously emotional; overly dramatic, in behavior or speech.

depending on the reason for the overreaction or the exact shade of meaning you are attempting to convey.