unroyal

comparative more unroyal · superlative most unroyal

1. Not royal; in particular, not appropriate for a royal.

   Thus, not content with calumniating the Sovereign's mind by supposing it filled with such unroyal notions

   1811, Thomas C. Hansard, Parliamentary debates […] Volume 18

   1 more example

   The princesses were, it is true, sufficiently good-looking, yet neither their persons nor their garments had that appearance of freshness and cleanliness without which no other charms can be contemplated with pleasure. Everything had a dingy and faded appearance, very disagreeable and unroyal to a European eye.

   1869, Alfred Russel Wallace, The Malay Archipelago, volume I, London: Macmillan and Co., page 343