| A | B |
| interpersonal | between people |
| interpreter | person who helps to translate languages between different people |
| interrupt | break the conversation between people |
| interstate | between different states |
| internet | a computer system that allows communication among people from all over the world |
| international | between or among all of the nations |
| intermission | a break between a play, opera, concert, or other show |
| interject | throw in a remark in a conversation |
| interfere | put yourself between people when it is not your issue |
| interactive | involving an exchange of information and ideas that gets people sharing thoughts, especially on the computer |