An inexperienced recruit, especially in the police or armed forces.
A novice.
An athlete either new to the sport or to a team or in his first year of professional competition, especially said of baseball, basketball, hockey and American football players.
A type of firecracker, used by farmers to scare rooks.
Non-professional; amateur Example: The game was going well until I made that rookie mistake.
All clues having "ROOKIE"
for an answer:
You can find a list of possible crossword clues for ROOKIE below.