Submitted by György Chityil ... on Fri, 01/19/2018 - 23:26 Hierarchy: AdjectiveDescription: {{figuratively|by extension}} Deeply involved in something, or preoccupied with something.Ngram: knee-deepNgram Text: knee-deepSource: WiktionaryIssue: 0Wiktionary tag: by extensionNgram Count: 1