trading /ˈtɹeɪdɪŋ/noun 1adjective 3forms 3 noun1 •the buying and selling of goods, shares or money as a business adjective3 •Carrying on trade or commerce; engaged in trade. •(no longer used) Venal; corrupt; jobbing. •(no longer used, rare) Frequented by traders. formstradings · more trading · most trading