| Idiom | Meaning | Example | 
| hey | 
listen, I am calling you
 | 
Hey, Ron. Where are you going?
 | 
| heyday | 
best years, in your prime
 | 
In his heyday, Pele was the best soccer player in the world.
 | 
| hi | 
hello, howdy
 | 
Hi, Kelly. How are you?
 | 
| hi there | 
hello, hi
 | 
Hi there. Do you know the way to Monterey?
 | 
| hick | 
rural person, local yokel, rube
 | 
Wearing overalls and a straw hat, he looked like a hick.
 | 
| hidden agenda | 
secret plan to control the meeting or decisions
 | 
The board has a hidden agenda. We don't know their real plans.
 | 
| hidden talent | 
a talent or skill you do not show very often
 | 
Oh, you play the harmonica!  Got any more hidden talents?
 | 
| hide nor hair | 
(See haven't seen hide nor hair)
 | 
 | 
| high | 
drunk, feeling happy after using a drug, stoned
 | 
Look into his eyes to see if he's high. Are his eyes clear?
 | 
| high | 
(See natural high)
 | 
 |