inexperienced
Not having much practice or skill at something yet.
Inexperienced means lacking the knowledge, skill, or practice that comes from actually doing something. An inexperienced basketball player might know all the rules but still struggle with dribbling during a real game. An inexperienced babysitter might feel nervous the first few times they watch younger children, unsure how to handle tantrums or bedtime routines.
Experience comes from doing, not just reading about or watching something. You might study swimming techniques in a book, but you're still inexperienced until you've spent time in the pool. An inexperienced cook might follow a recipe perfectly but panic when something starts burning, while an experienced cook knows how to adjust quickly.
Being inexperienced isn't the same as being incapable or unintelligent. Everyone starts inexperienced at everything, including the best violin players, the most skilled doctors, and the greatest athletes. The word simply describes where someone is on their journey of learning.
The opposite of inexperienced is experienced, seasoned, or veteran. You might also hear novice or beginner, which mean nearly the same thing.