Source : Webster's Revised Unabridged Dictionary (1913)

Inexperienced \In`ex*pe"ri*enced\, a.
   Not having experience unskilled. ``Inexperienced youth.''
   --Cowper.

Source : WordNet®

inexperienced
     adj 1: lacking practical experience or training [ant: {experienced}]
     2: lacking basic knowledge; "how can someone that age be so
        ignorant?"; "inexperienced and new to the real world"
        [syn: {ignorant}]
     3: lacking experience of life; "a callow youth of seventeen"
        [syn: {callow}, {naive}, {unsophisticated}]