Not done with purpose or intent:
— An unwitting mistake may be overlooked.

synonyms: unintentional, unplanned.

Roget 601: necessary, needful etc. (requisite) 630.    fated; destined etc. v.; elect; spellbound compulsory etc. (compel) 744; uncontrollable, inevitable, unavoidable, irresistible, irrevocable, inexorable; avoidless^†, resistless.    involuntary, instinctive, automatic, blind, mechanical; unconscious, unwitting, unthinking; unintentional etc. (undesigned) 621; impulsive etc. 612.    ... show more

Not aware or knowing.

Unaware because of a lack of relevant information or knowledge:
— His rudeness was unwitting.

synonyms: ignorant, unknowing, unknowledgeable.

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

Polish: ignorancki