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.

Expert advice or help is given by someone who has studied a subject thoroughly or who is very skilled at a particular job. We'll need an expert opinion.

Find 132 different ways to say EXPERT, along with antonyms, related words, and example sentences at Thesaurus.com.

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

An expert is someone who knows a ton about the subject at hand. The adjective form of expert describes someone or something that has that special knowledge. If you get expert instruction, that …

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

An expert is somebody who has a broad and deep understanding and competence in terms of knowledge, skill and experience through practice and education in a particular field or area of study.

Jan 14, 2026 · expert (comparative more expert, superlative most expert) Extraordinary capable or knowledgeable.