The most common and most likely answer to this crossword clue is the 4 letter word NOOB
N
O
O
B
More clues leading to the result NOOB
Buddy explains!
The straight part
We know that "Beginner" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case beginner = noob.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does NOOB mean?
NOOB noun- (often pejorative) A newb or newbie; refers to the idea that someone is new to a game, concept, or idea; implying a lack of experience. Also, in some areas the word noob can mean someone is obsessed with things.