wiz

/wɪz/
noun
  1. A person who is very skilled or knowledgeable in a particular area; an expert.
    • My uncle is a computer wiz and can fix any problem.
    • The chef is a wiz at creating delicious desserts.
    • She's a math wiz who solves equations in seconds.
Synonyms
What does "wiz" mean? | whatsthatwordmean | whatsthatwordmean