/ɛkˈstɪrəs/ i k-STI-rəs

Definitions

1. adjective

Having an extended or exaggerated sense of skill or ability; pretentiously skilled

“He was accused of being exterous about his cooking skills, but his dishes were often inedible.”

2. noun

A person who is excessively skilled or knowledgeable in a particular area

“The exterous in the field of artificial intelligence are few and far between.”