deep knowledge
Mastery of subject
Deep knowledge is thorough, substantial understanding of a subject—the kind that comes from sustained study or experience rather than casual familiarity.
Someone with deep knowledge of wine doesn't just know grape varieties but understands terroir, fermentation, regional traditions, and how these interact.
The phrase implies expertise that goes beneath surface facts to grasp underlying principles and connections: She has deep knowledge of constitutional law.
Often contrasted with broad knowledge, which covers many subjects superficially.
- expertiseSkill from extensive practice
- subject matter expertSpecialist in specific domain
- wisdomGood judgment from experience
- masteryComplete skill or control
- profoundIntensely meaningful or insightful
insight · understanding · scholar · erudition · specialist · immersion · fluency · well versed · grasp · thorough · penetrating · nuanced · learned · sage · authority · old hand · seasoned · intimate
- expertise typesspecialized training, technical mastery, subfields
- knowledgebook learning, encyclopedia, reference book, dictionary, thesaurus
- expertise termsexpert, specialist, authority, master, pro
- autopilotautopilot, autothrottle, flight director, autoland, pitch control
deep knowledgeignorance
Absence of knowledge
unawareness · cluelessness · obliviousness · nescience · unfamiliarity
deep, knowledge, deeply, deepen, deepened, deepening, deepens, deeper, deepest