alkaloid /ˈæl.kə.lɔɪd/adjective 1noun 1forms 3 adjective1 •Relating to, resembling, or containing alkali. noun1 •Any of many organic (often heterocyclic) bases that occur in nature and often have medicinal properties.The Aspidosperma alkaloids are the largest group of indole alkaloids. — 1990 formsalkaloids · more alkaloid · most alkaloid
