faux-naïf

faux-na·ïf

also faux-naif  (fō-nä-ēf′)
adj.
Marked by a false show of innocent simplicity: "Their gee-whiz, faux-naif comportment is not always convincing" (Madison Smartt Bell).

[French : faux, false + naïf, naive.]

faux-naïf

(fonaif)
adj
appearing or seeking to appear simple and unsophisticated: a faux-naïf narration.
n
a person who pretends to be naïve
[French: false naïve]

faux-naïf

A French word meaning false naïve, used to describe someone or something with a false appearance of unsophistication.