Submitted by György Chityil ... on Fri, 01/19/2018 - 20:39 Hierarchy: NounDescription: Calmness of temperament, composure; also seen negatively, sluggishness, indifference. {{defdate|from 16th c.}}Ngram: phlegmNgram Text: phlegmSource: WiktionaryIssue: 0Wiktionary tag: from 16th c.Ngram Count: 1