proficient, adept, skilled, skillful, expert mean having great knowledge and experience in a trade or profession. proficient implies a thorough competence derived from training and practice.

EXPERT definition: 1. a person with a high level of knowledge or skill relating to a particular subject or activity…. Learn more.

EXPERT definition: a person who has special skill or knowledge in some particular field; specialist; authority. See examples of expert used in a sentence.

2. possessing special skill or knowledge. 3. pertaining to or characteristic of an expert: expert advice.

EXPERT meaning: 1. a person with a high level of knowledge or skill relating to a particular subject or activity…. Learn more.

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Definition of expert noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.