newbie
1 antonym for newbie — opposites grouped by meaning.
Noun — Someone who is new to a particular activity, community, or skill.
Antonyms
How to use newbie
The word patterns that sound natural to a native speaker.
Informal; common in gaming and internet culture.
Etymology
Origin uncertain — possibly an alteration of "newie" with an inserted b (as in "freebie"), a blend of "newborn" and "baby," or a shortening of "new boy."
Full origin of newbie →