Befitting a princess; noble, dainty, etc.(adjective)
In the manner of a princess.(adjective)
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Use "princessly" in a sentence
"Her edge over Kate, of course, was her own epic of princessly suffering, which would always make Diana's story more interesting."
"What I ought to know by now is that they think we already have one and they are it and they are appalled and affronted that there are people who don't agree and don't plan to just go along with their princely and princessly dreams."
"With too many little girls today still taught to love all princessly things, I found the idea of a princess who as a little girl would much rather play in the mud, ride horses way too fast and beat her siblings with a stick in pretend swordfights, just too irresistible."