if something is divided fifty-fifty, it is divided equally between two people.

We decided to split the money fifty-fifty.

Let's go fifty-fifty on the expenses for our trip.

• a half-wit
• a hand-me-down
• a hanger-on
• a hang-up
• a happy accident
• a happy hunting ground
• a happy medium
• a hard nut
• a hard nut to crack
• a hard-on
• a hard row to hoe
• a has-been
• a hatchet job
• a hatchet man
• ahead of schedule
• a head of steam
• ahead of the game
• ahead of the pack
• ahead of time
• ahead of your time
• a heart of gold
• a heart of stone
• a heart-to-heart
• a heavy date
• a heavy hitter