the GNU version of the Collaborative International Dictionary of English
n. Absence or lack of experience; lack of personal and experimental knowledge.
The Century Dictionary and Cyclopedia
n. Want of experience, or of knowledge gained by experience: as, the inexperience of youth.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. lack of experience and the knowledge and understanding derived from experience
Word Usage
"An executive summary of the report, released on Wednesday, repeatedly emphasized what it described as the inexperience, confusion and limited expertise of staff assigned to at least six investigations involving Madoff since 1992."