Expert ( noun , adjective )

(As a noun)

Expert ( noun )

1. A person who has a high level of knowledge or skill in a particular subject or activity.
2. A person who is very experienced and skilled in a particular job or activity.
3. A person who is considered to be very knowledgeable about a particular subject.

Origin:

Early 17th century: from french expert, from latin expertus, past participle of experiri "try, test", from ex- "thoroughly" + parare "make ready".

Examples:

1. He is an expert in computer programming.
2. She is an expert in her field.
3. The company hired an expert to fix the problem.
4. The witness was an expert on the subject of the trial.
5. He is considered to be an expert on the subject of the history of the region.

(As an adjective)

Expert ( adjective )

1. A person who has a high level of knowledge or skill in a particular subject or activity.
2. A person who is very experienced and skilled in a particular job or activity.
3. A person who is considered to be very knowledgeable about a particular subject.

Origin:

Early 17th century: from french expert, from latin expertus, past participle of experiri "try, test", from ex- "thoroughly" + parare "make ready".

Examples:

1. He is an expert in computer programming.
2. She is an expert in her field.
3. The company hired an expert to fix the problem.
4. The witness was an expert on the subject of the trial.
5. He is considered to be an expert on the subject of the history of the region.