what is the definition for marketing
noun. The action or business of promoting and selling products or services, including market research and advertising: the Western arts of marketing and distribution [as modifier]: a marketing campaign.More example sentences. 1  The first workshops on export marketing will be conducted in Oshakati and Tsumeb.oun. The action or business of promoting and selling products or services, including market research and advertising: the Western arts of marketing and distribution [as modifier]: a marketing campaign.