1. the state or quality of lacking knowledge, education, or awareness about something
Usage: formal or literary; less common than the adjective 'ignorant' or the noun 'ignorance'

Examples

• Her ignorantness about current events was surprising for someone her age.
• The ignorantness of the population regarding health risks made the campaign necessary.
• He spoke with such ignorantness that no one took his opinion seriously.
• Their ignorantness of the local customs led to several awkward moments during the trip.
• The teacher addressed the students' ignorantness by providing clear explanations and resources.