Wiktionary
unregal
a. Not regal; particularly, not appropriate for a royal.
Usage examples of "unregal".
He snatched a golden goblet from the waiting banquet table and flung himself forward with an unregal whoop, obviously bent on scooping up as many of the fugitive frogs as possible.
It was an unregal thing to do, but she stuck out a foot and tripped the wine waiter.
First Alias tried to commit regicide on his decidedly unregal person, and now, here I am, about to steal his purse.
Wilt thou set the crown upon her unregal head, invest her with the royal robes, and yield thy homage to a scowl and a bitter word?