Was ignorant of the drug's harmful effects.
Alas, what ignorant sin have I committed?
An ignorant mistake.
An example of ignorant is a person who is has no knowledge of politics.
An example of ignorant is a dumb person with no knowledge about anything.
An example of ignorant is impolite behavior that goes against the standard custom of proper manners.
Origin of ignorant
- Middle English ignoraunt from Old French ignorant from Latin ignōrāns ignōrant- present participle of ignōrāre to be ignorant, not to know gnō- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From Old French ignorant