ex·pertnoun1. a person who has a comprehensive and authoritative knowledge of or skill in a particular area.“experts in directional boring”synonyms: specialist, authority, punditadjective1. having or involving authoritative knowledge.“he had received expert directional drilling advice”synonyms: skillful, skilled, adept, accomplished, talented, fine Kansas Underground Boring Glossary of Terms | Directional Boring Book Kansas Underground Boring Glossary of … Continue reading Glossary of Terms