naive


na·ive

adj
na·iv·erna·iv·est

Definition of NAIVE

1
: not previously subjected to experimentation or a particular experimental situation <naive laboratory rats>
2
: not having previously used a particular drug (as marijuana)
3
: not having been exposed previously to an antigen <a naive immune system> <naive T cells>

Variants of NAIVE

na·ive or na·ïve \nä-ˈēv\