A person with a high degree of skill in or knowledge of a certain subject. noun
Having, involving, or demonstrating skill in or knowledge of a certain subject. synonym: proficient. adjective
[⟨ expert, n.] To examine (books, accounts, etc.) as an expert; have examined by an expert: as, the accounts have been experted.
Having had experience; experienced; practised; trained; taught by use, practice, or experience.
Skilful; dexterous; adroit; having facility acquired by practice.
Pertaining to or resulting from experience; due to or proceeding from one having practical knowledge or skill: as, expert workmanship; expert testimony.
Synonyms Adroit, Dexterous, Expert, etc. (see adroit); trained, practised. See skilful.
An experienced, skilful, or practised person; one skilled or thoroughly informed in any particular department of knowledge or art. noun
In law, a person who, by virtue of special acquired knowledge or experience on a subject, presumably not within the knowledge of men generally, may testify in a court of justice to matters of opinion thereon, as distinguished from ordinary witnesses, who can in general testify only to facts. noun
Taught by use, practice, or experience, experienced; having facility of operation or performance from practice; knowing and ready from much practice; clever; skillful adjective
To experience. transitive verb
Having or showing knowledge and skill and aptitude. adjective
Of or relating to or requiring special knowledge to be understood. adjective
A person with special knowledge or ability who performs skillfully. noun