Ignorant

Synonyms: Uneducated, untaught, untutored, illiterate, unlearned, uninformed, unscholarly, benighted, inexperienced, unsophisticated, stupid, empty-headed, pig-ignorant, airheaded, dumb, dopey, slow on the uptake, a brick short of a load, divvy, not the full shilling, glaikit, dumb-ass, dof, unknowledgeable, unschooled, untrained, unlettered, unread, unenlightened, unqualified, backward, unworldly, unintelligent, simple, mindless, thick, dense, dim, wet behind the ears, dead from the neck up, dozy, daft, (as) thick as two short planks, chowderheaded, and dotish.

Synonyms: Without knowledge, unconscious, unfamiliar with, unconversant with, uninitiated in, oblivious to, innocent about, a stranger to, unenlightened about, in the dark about, not having the faintest about, strange to, unaware, insensible, unacquainted with, inexperienced in, blind to, naive about, green about, uninformed about, unschooled in, clueless about, and nescient.

Synonyms: Rude, ill-mannered, unmannerly, discourteous, uncivil, surly, boorish, loutish, coarse, gross, impolite, bad-mannered, ungracious, insensitive, ill-humoured, sullen, oafish, crude, and vulgar.