naive

adjectives

marked by or showing unaffected simplicity and lack of guile or worldly experience
"a teenager's naive ignorance of life"; "the naive assumption that things can only get better"; "this naive simple creature with wide friendly eyes so eager to believe appearances"
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antonym
of or created by one without formal training; simple or naive in style
"primitive art such as that by Grandma Moses is often colorful and striking"
inexperienced
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is similar to
not established by conditioning or learning
"an unconditioned reflex"
lacking information or instruction
"lamentably unenlightened as to the laws"
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not initiated; deficient in relevant experience
"it seemed a bizarre ceremony to uninitiated western eyes"; "he took part in the experiment as a naive subject"
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