Douglas Harper's Etymology Dictionary
1748, from un- (1) "not" + past participle of assimilate (v.).
Wiktionary
a. Not assimilated.
Usage examples of "unassimilated".
Little gang-nuclei came into existence, therefore, wherever unassimilated elements of the population were congested and humiliated or wherever intelligent men festered in unemployment and need.
He stored what he had seen as unassimilated fact, to be reexamined when he had more information.
A single sentence may be a considered as a whole, though it may be found in the midst of a series of unassimilated portions: a single word even may be a spark of inextinguishable thought.
The tree was working bravely to redistribute mass, but the unassimilated treasure trove still caused a wobble in the crown that took some getting used to.
I had none, or that I wore some new and unassimilated shape, both were patently impossible.
These unassimilated groups in America comprise between one-third and one-half of the population of America.
The other half consists of Negroes, Jews, unassimilated South-eastern Europeans, Mexicans, Chinese, Japanese, Siamese, Levantines, Slavs and Indians.
The mass-ideals of noise, excitement, mental uniformity, and hurrying movement which the Americans share with these unassimilated alien groups do not represent any kind of assimilation, because these traits themselves are antinational, demoralizing, destructive of individuality, State, People, Race.
She seemed to be unassimilated to the rout, though part of it, as though she had gone native amid a primitive tribe who, less graceful than she, knew better than she why they were doing this dance.
One reached the street willing to embrace the mass, to subside into a comforting mutuality, to dismiss the disconcerting spectacle of the unassimilated, of the unsleeping moral conscience, which, if not checked, might lead to acts one was not anxious to witness.
Squares with fountains, sidewalks in mosaic patterns, laundry hang ing, fountains splashing, all seemed to flash by him in an unassimilated jumble as Molec drove.