[count] chiefly US 1 : a first-year player in a professional sport
▪ There are three rookies in the starting lineup. — often used before another noun ▪ a rookie quarterback ▪ This is his rookie season. [=his first season playing] 2 : a person who has just started a job or activity and has little experience : beginner
▪ an experienced policeman whose partner is a rookie — often used before another noun ▪ a rookie cop
▪ There are three rookies in the starting lineup. — often used before another noun ▪ a rookie quarterback ▪ This is his rookie season. [=his first season playing]
▪ an experienced policeman whose partner is a rookie — often used before another noun ▪ a rookie cop





