noun
1.
the state of being unlearned
the blight of ignorance
Synonyms: benightedness, illiteracy
Related Word: callowness, greenness, inexperience, naiveté, rawness, simpleness, simplicity, uncouthness, uncultivation, unsophistication; empty-headedness, unintelligence, witlessness; know-nothingism, philistinism
Contrasted words: education, enlightenment, erudition, learning, literacy
2.
the state of being unaware or uninformed
ignorance of the law
Synonyms: innocence, inscience, nescience, unacquaintance, unacquaintedness, unawareness, unfamiliarity, unknowingness
Contrasted words: acquaintance, acquaintanceship, experience; awareness, familiarity, knowledgeableness