IPA: /ˈoʊvərˌiːɡər/
KK: /ˈoʊvərˌiɡər/
Being too enthusiastic or excited about something, often to the point of being overly eager or impatient.
She was overeager to start her new job, arriving an hour early every day.
Overeager → It is formed from "over-" (meaning excessively) and "eager" (from Old English "eagor", meaning keen or enthusiastic). The word "overeager" means excessively enthusiastic or keen about something.
Think of being "excessively" eager — that's why overeager describes someone who is too enthusiastic.