Short version: Market research is the process of learning about customers, competitors, demand, behavior, and category context before making business or marketing decisions.
It can include interviews, surveys, search data, competitor analysis, reviews, analytics, sales insight, social listening, and observation of how people actually choose. The goal is to reduce guesswork before strategy, branding, content, or campaign work begins.
Good market research does not remove judgment, but it gives judgment better material. It helps a business see what people care about, what language they use, what alternatives they compare, and where a stronger position might exist.
In practice, the most useful research becomes decisions: which segment to prioritize, which message to test, which objections to answer, and which assumptions need proof.
Related terms: Buyer persona, Positioning, and Social listening.