Meaning of “inexperience” - Learner’s Dictionary

inexperience

noun [ U ] uk us /ˌɪnɪkˈspɪəriəns/

the quality of not knowing how to do something because you have not done it or experienced it much before:

The accident was probably caused by the driver's inexperience.

(Definition of “inexperience” from the Cambridge Learner’s Dictionary © Cambridge University Press)