: a person who has recently started a particular activity : newbie
… The Burning owes a lot to Friday the 13th, for obvious reasons, though it's now most-remembered for a cast that includes Holly Hunter, Fisher Stevens, and Jason Alexander, all showbiz noobs back in 1981. Cheryl Eddy
Parkour websites post daily homework in the form of push-ups and other exercises, and some veterans urge "noobies" not to show up for training sessions until they can run a good three miles. Alice Park
Word History
Etymology
by shortening from noobie, spelling variant of newbie