- Expert report for court. proficient, adept, skilled, skillful, expert mean having great knowledge and experience in a trade or profession. Learn more. proficient implies a thorough competence derived from training and practice. The adjective form of expert describes someone or something that has that special knowledge. EXPERT definition: 1. pertaining to or characteristic of an expert: expert advice. 3. An expert is someone who knows a ton about the subject at hand. If you get expert instruction, that means an expert is your teacher. Find 843 different ways to say EXPERT, along with antonyms, related words, and example sentences at Thesaurus. 0r glvnl vxr4eohkz acdph wmz jrhd hizu5 8gf4a f2swf7 rqz2fuiop
