| A | B |
| INTRACELLULAR | EXISTING WITHIN THE CELLS |
| INTRADERMAL | WITHIN THE LAYERS OF THE SKIN. |
| INTRAGALACTIC | HAVING TO DO WITH THINGS INSIDE THE GALAXY. |
| INTRAMURAL | INVOLVING STUDENTS FROM WITHIN THE SAME SCHOOL |
| INTRANASAL | WITHIN THE NOSE |
| INTRAOCULAR | WITHIN THE EYE |
| INTRAPERSONAL | EXISTING OR OCCURRING WITHIN YOUR OWN MIND |
| INTRAPSYCHIC | WITHIN THE MIND |
| INTRASTATE | WITHIN THE BOUNDARIES OF A STATE. |
| INTRAVENOUS | WITHIN A VEIN OR VEINS. |
| INTERACTIVE | INVOLVING PEOPLE PLAYING AMONG THEMSELVES; AN EXCHANGE OF ACTIVITY OR INFORMATION BETWEEN PEOPLE OR PEOPLE AND A COMPUTER. |
| INTERFERE | TO INVOLVE YOURSELF IN A SITUATION BETWEEN TWO PEOPLE THAT HAS NOTHING TO DO WITH YOU |
| INTERJECT | TO THROW A REMARK INTO A CONVERSATION BETWEEN TWO OR MORE PEOPLE |
| INTERMISSION | A BREAK BETWEEN ACTS OF A PLAY OR PERFORMANCE DURING WHICH PEOPLED ARE SENT OUT FOR SNACKS OR STRETCH BREAKS. |
| INTERNATIONAL | BETWEEN OR AMONG TWO OR MORE NATIONS OF THE WORLD |
| INTERNET | THE WORLDWIDE COMPUTER SYSTEM THAT CAN BE USED TO FIND AND SEND INFORMATION SHARING AMONG PEOPLE |
| INTERPERSONAL | OCCURRING BETWEEN PEOPLE (USUALLY DESCRIBING SOCIAL ACTIVITIES) |
| INTERPRETER | PERSON WHO TRANSLATES FROM ONE LANGUAGE TO ANOTHER |
| INTERRUPT | TO START TALKING BEFORE SOMEONE ELSE HAS FINISHED TALKING |
| INTERSTATE | BETWEEN OR CONNECTING TWO OR MORE STATES |