" naïf "

1: as in ingenue, greenhorn;

•  Synonyms : 

•  babe,

•  colt,

•  cub,

•  fledgling,

•  greenhorn,

•  ingenue,

•  newbie,

•  tenderfoot,

•  virgin,

•  angel,

•  dove,

•  innocent,

•  lamb,

•  sheep,

•  cherub,

•  saint,

•  softy,

•  weakling,

•  wimp,

•  dupe,

•  pigeon,

•  sap,

•  sucker

•  Antonyms : 

•  wolf,

•  bully,

•  roughneck,

•  rowdy,

•  tough,

•  beast,

•  boor,

•  cad,

•  churl,

•  clown,

•  creep,

•  cretin,

•  cur,

•  heel,

•  jerk,

•  joker,

•  louse,

•  lout,

•  slob,

•  shark,

•  skunk,

•  snake,

•  stinker,

•  devil,

•  knave,

•  miscreant,

•  no-good,

•  rapscallion,

•  rascal,

•  reprobate,

•  rogue,

•  scalawag,

•  scamp,

•  scoundrel,

•  varlet,

•  villain

1: lacking in worldly wisdom or informed judgment;

  * e.g., " ... the senator, newly elected and still naïf, will learn soon enough how Washington really works "

•  Synonyms : 

•  aw-shucks,

•  dewy,

•  dewy-eyed,

•  green,

•  ingenuous,

•  innocent,

•  naive,

•  primitive,

•  simple,

•  simpleminded,

•  uncritical,

•  unknowing,

•  unsophisticated,

•  unsuspecting,

•  unsuspicious,

•  unwary,

•  unworldly,

•  wide-eyed

•  Antonyms : 

•  cosmopolitan,

•  experienced,

•  knowing,

•  sophisticated,

•  worldly,

•  worldly-wise