Naiveté (noun)
nai-eev-e-tee
The quality or state of having or showing a lack of experience or judgment; natural or artless simplicity.
First recorded in 1665–75 from French. As the adjective naive, comes via the Old French word naif, meaning “natural, instinctive,” from Latin nātīvus “natural.”
Example sentences
“She showed her naiveté with the question and the group laughed..”
