undemonstrative From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsadjectiveNot given to showing emotion or feelings; reserved or distant. Related wordsSynonymsunemotionalreservedreticentrestrainedunmovedunaffectionatedispassionatequietinsensitivecoolunemotionalizednondemonstrativeuninvolveddisaffectionatecolddry-eyed References Wiktionary — undemonstrative Wikipedia — undemonstrative