| Idiom | Meaning | Example | 
| in your prime | 
during your best years, when you are strongest
 | 
When he was in his prime, he played professional soccer.
 | 
| in's and out's | 
(See the in's and out's)
 | 
 | 
| information leak | 
(See have a leak [B])
 | 
 | 
| inhale | 
eat quickly, wolf down
 | 
I rushed home, inhaled my lunch and drove to the airport.
 | 
| inside information | 
facts available to those inside an organization
 | 
I can get inside information. My friend works for the FBI.
 | 
| inside joke | 
a joke that is understood by only those who work or play together, inside joke
 | 
"Would you like to buy some of our liveware ?" I asked. She frowned. "Never mind," I said. "It's an inside joke. Ha ha."
 | 
| inside out | 
(See know inside out)
 | 
 | 
| inside story | 
(See the inside story)
 | 
 | 
| inside track | 
(See the inside track)
 | 
 | 
| Internet | 
a system of computers, World Wide Web
 | 
If you want to know more about any topic, get on the Internet.
 |