questuary UK /ˈkwɛstjʊəɹi/US /ˈkwɛstjʊˌɛɹi/adjective 1noun 1forms 3 adjective1 •(no longer used) Acquisitive; greedy.Although lapidaries and questuary enquirers affirm it, yet the writers of minerals, and natural speculators, conceive that stones which bear this name to be a mineral concretion. — 1650 noun1 •(no longer used) One employed to collect profits. formsquestuaries · more questuary · most questuary