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expert

noun/adjective

/ˈekspɜːt/

Meaning

a person who has a lot of knowledge or skill in a particular area

He is an expert in computer programming.

expert opinion

specialist, professional, authority, master, guru

novice, amateur, beginner

expert advice, subject expert, expert opinion, expert knowledge

A person of African descent living in or originating from the United States; relating to such people...

the outer surface or part of something; relating to the outside

a person not in the armed forces or police

the direction towards the bottom of a map, opposite to north

a very small version of something; small in scale or size

a person, group, or state joined in an alliance or union; relating to a confederacy