naive
1. [ adjective ] marked by or showing unaffected simplicity and lack of guile or worldly experience
Synonyms: naif
Examples:

"a teenager's naive ignorance of life" "the naive assumption that things can only get better" "this naive simple creature so eager to believe appearances"

Related terms: sophisticated childlike childlike simple-minded fleeceable innocent ignorant unsophisticated credulous unworldly uninformed credulous
2. [ adjective ] lacking experience of life
Synonyms: inexperienced unsophisticated callow
Examples:

"a callow youth of seventeen"

Related terms: immature
3. [ adjective ] lacking sophistication
Synonyms: unsophisticated
Related terms: artless
Similar spelling:   nave
  navy
  Nava
  nape
  navvy
  Nappi
  Napea
  Navaho
  Napaea
  nap
  nab