You could hack the css and shove the field contents around, but that just shifts the problem elsewhere.
I'm afraid that the real answer is that your "field names have to be meaningful" is wrong. Humans understand short field names and actually struggle to work with long ones, hence there's no need for huge field names. They very much appreciate short names being explained though - that's what field descriptions are for.
I have to agree with Nic, your fieldnames are way too long.
Maybe you can use this plugin : https://marketplace.atlassian.com/plugins/com.aevolu.jira.compass
You can use their context sensitive help to explain the field to the user (if necessary).
Badges are a great way to show off community activity, whether you’re a newbie or a Champion.Learn more
...attest to the experience of an urgent approval that gets lost in the boss’s inbox and requires that special “Please Approve” email or text message. In an age where we have distributed teams...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs