Wiktionary
unadvanced
a. Not advanced.
Usage examples of "unadvanced".
I suppose they are my great-aunts, but I never felt REALLY related to them -- but how could he know how terribly unadvanced they are?
PARENTS AND THEIR INFLUENCE MAMA is unadvanced enough, goodness knows.
Like the labourers of Babel, while we endeavour in vain to express our meaning to each other, the fabric by which, for a common end, we would have ascended to heaven from the ills of earth remains forever unadvanced and incomplete.
Rather than condoning artificial concern with unfertilized eggs and unadvanced ifflings I, personally, would advise a continuation of careful control, of watchfulness, of Artonueeistic benevolence in regard to those who are allowed the gift of sentient life.