outliner From WikiWord, the free dictionary /ˈaʊtlʌɪnə/ English Contents DefinitionsRelated wordsReferences DefinitionsnounA software system for organizing text into a hierarchy. Related wordsSynonymsdesignerpainterbuilderdelineatorunderlinersketcherinkerexplicatorsurrounderdefinershortenerstencilerexplanatorsummarizerannotatordemarcator References Wiktionary — outliner Wikipedia — outliner