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\