detergent UK /dɪˈtɜːd͡ʒənt/US /dɪˈtɝd͡ʒənt/noun 1adjective 1forms 1 noun1 •Any non-soap cleaning agent, especially a synthetic surfactant.She used a mild detergent to wash the clothes. adjective1 •Synonym of cleansing. formsdetergents
