| hear voices | | | |
| heat wave | | | |
| heaven forbid | | | |
| heavy as a dead donkey | | | |
| heavy equipment | | | |
| heavy foot | | | |
| heavy-footed | | | |
| heavy going | | | |
| heavy-hearted | | | |
| heavy hitter | | | |
| heavy lifting | | | |
| heavy with child | | | |
| hedge one's bets | | | |
| HE-double-hockey-sticks | | | |
| HE-double-L | | | |
| HE-double-toothpicks | | | |
| heffalump trap | | | |
| hell and half of Georgia | | | |
| hell from above | | | |
| hellhole | | | |
| hell if I care | | | |
| hell if I know | | | |
| hell mend someone | | | |
| hell on earth | | | |
| hell on wheels | | | |
| hell or high water | | | |
| hell to pay | | | |
| hell week | | | |
| helmet hair | | | |
| help a lame dog over a stile | | | |
| helping hand | | | |
| hem and haw | | | |
| hen's tooth | | | |
| herbs and spices | | | |
| herd cats | | | |
| here goes nothing | | | |
| here's to | | | |
| here, there and everywhere | | | |
| here we go again | | | |
| here you are | | | |
| hewers of wood and drawers of water | | | |
| hidden in plain sight | | | |
| hide in plain sight | | | |
| hide nor hair | | | |
| hide one's light under a bushel | | | |
| hide the sausage | | | |
| hiding to nothing | | | |
| high and dry | | | |
| high and low | | | |
| high and mighty | | | |
| high cotton | | | |
| higher than a kite | | | |
| high ground | | | |
| high horse | | | |
| high life | | | |
| high-living | | | |
| high noon | | | |
| high on the hog | | | |
| high on the totem pole | | | |
| high-pressure | | | |
| high-risk, high-reward | | | |
| high road | | | |
| high-stakes | | | |
| high strangeness | | | |
| high-strung | | | |
| high summer | | | |
| high time | | | |
| highway robbery | | | |
| hike the Appalachian Trail | | | |
| hike up | | | |
| hill to die on | | | |
| hindsight is 20/20 | | | |
| hind tit | | | |
| hired gun | | | |
| hired muscle | | | |
| hiss-and-tell | | | |
| hissing hot | | | |
| hit above one's weight | | | |
| hit a lick | | | |
| hit and run | | | |
| hit a snag | | | |
| hit a wall | | | |
| hit below one's weight | | | |
| hitch one's wagon to | | | |
| hitch one's wagon to a star | | | |
| hit home | | | |
| hit it big | | | |
| hit it up | | | |
| hit like a ton of bricks | | | |
| hit like a truck | | | |
| hit on | | | |
| hit one out of the ballpark | | | |
| hit-or-miss | | | |
| hit pause | | | |
| hit pay dirt | | | |
| hit rock bottom | | | |
| hit someone for six | | | |
| hit someone when they are down | | | |
| hit the accelerator | | | |
| hit the big time | | | |