" inexperienced "

1: lacking in adult experience or maturity;

  * e.g., " ... inexperienced teenagers who, naturally, thought they knew everything "

•  Synonyms : 

•  adolescent,

•  callow,

•  green,

•  immature,

•  juvenile,

•  puerile,

•  raw,

•  unfledged,

•  unformed,

•  unripe,

•  unripened

•  Antonyms : 

•  adult,

•  experienced,

•  grown-up,

•  mature,

•  ripe

2: lacking or showing a lack of expert skill;

  * e.g., " ... an inexperienced carpenter had obviously built the rough-hewn cabin "

•  Synonyms : 

•  amateur,

•  amateurish,

•  dilettante,

•  dilettantish,

•  inexpert,

•  jackleg,

•  nonprofessional,

•  unprofessional,

•  unskilled,

•  unskillful

•  Antonyms : 

•  ace,

•  adept,

•  consummate,

•  crackerjack,

•  expert,

•  master,

•  masterful,

•  masterly,

•  professional,

•  virtuosic,

•  virtuoso

1: lack of experience;

  * e.g., " ... He blames his mistakes at the new job on inexperience. "

•  Synonyms : 

•  callowness,

•  greenness,

•  naïveté,

•  rawness,

•  simpleness,

•  unsophistication,

•  benightedness,

•  cluelessness,

•  ignorance,

•  incognizance,

•  innocence,

•  nescience,

•  obliviousness,

•  unawareness,

•  unfamiliarity

•  Antonyms : 

•  experience,

•  know-how,

•  sophistication,

•  acquaintance,

•  awareness,

•  cognizance,

•  familiarity