Submitted by György Chityil ... on Fri, 01/19/2018 - 20:57 Hierarchy: NounDescription: The state of being free from obstruction or interference. {{defdate|from 17th c.}}Ngram: clearnessNgram Text: clearnessSource: WiktionaryIssue: 0Wiktionary tag: from 17th c.Ngram Count: 1