intolerant - Refusing to allow others to do or believe things that you don't agree with.
When people try to dialog with others, and both are intolerant of each others' points of view, it often just degenerates into a shouting match, with neither side listening.
hackneyed - (of a phrase or idea) lacking significance through having been overused; unoriginal and trite
Ricky was ready to tell his boss he was completely prepared for the job, but he wanted to avoid being told a hackneyed expression like "make sure you have his ducks in a row."