Adjective
simultaneous - Refers to actions or events that are performed or experienced at the same time, without any time between them.
They made a simultaneous broadcast of the event across multiple time zones that allowed people from all over the world to watch it live.
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.