A communication barrier is anything that comes in the way of receiving and understanding messages that one sends to another to convey his ideas, thoughts, or any other kind of information. These various barriers of communication block or interfere with the message that someone is trying to send.

Some common barriers to effective communication include:

• The use of jargon. Over-complicated or unfamiliar terms.
• Emotional barriers and taboos.
• Lack of attention, interest, distractions, or irrelevance to the receiver.
• Differences in perception and viewpoint.
• Physical disabilities such as hearing problems or speech difficulties.
• Physical barriers to non-verbal communication.