Not having a good education.

Roget 491: ignorant; nescient; unknowing, unaware, unacquainted, unapprised, unapprized^†, unwitting, unweeting^†, unconscious; witless, weetless^†; a stranger to; unconversant^†.    uninformed, uncultivated, unversed, uninstructed, untaught, uninitiated, untutored, unschooled, misguided, unenlightened; Philistine; behind the age.    shallow, superficial, green, rude, empty, half-learned, illiterate; unread, uninformed, uneducated, unlearned, unlettered, unbookish; empty-headed, dizzy, wooly-headed; pedantic; in the dark; benighted, belated; blinded, blindfolded; hoodwinked; misinformed; au bout de son latin, at the end of his tether, at fault; at sea etc. (uncertain) 475; caught tripping.    unknown, unapprehended, unexplained, unascertained, uninvestigated^†, unexplored, unheard of, not perceived; concealed etc. 528; novel.    ... show more

Roget 674: unprepared etc. (prepare); &c.; 673; without preparation etc. 673; incomplete etc. 53; rudimental, embryonic, abortive; immature, unripe, kachcha^†, raw, green, crude; coarse; rough cast, rough hewn; in the rough; unhewn^†, unformed, unfashioned^†, unwrought, unlabored^†, unblown, uncooked, unboiled, unconcocted, unpolished.    unhatched, unfledged, unnurtured^†, unlicked^†, untaught, uneducated, uncultivated, untrained, untutored, undrilled, unexercised; deckle-edged^†; precocious, premature; undigested, indigested^†; unmellowed^†, unseasoned, unleavened.    unrehearsed, unscripted, extemporaneous, improvised, spontaneous, ad lib, ad libitem [Lat.].    fallow; unsown, untilled; natural, in a state of nature; undressed; in dishabille, en deshabille [Fr.].    unqualified, disqualified; unfitted; ill-digested; unbegun, unready, unarranged^†, unorganized, unfurnished, unprovided, unequipped, untrimmed; out of gear, out of order; dismantled etc. v.. shiftless, improvident, unthrifty, thriftless, thoughtless, unguarded; happy-go-lucky; caught napping etc. (inexpectant) 508^†; unpremeditated etc. 612.    ... show more

Dutch: ongeschoold, onopgevoed, volks
Polish: nieuczony, niewykształcony