Oxford Dictionary English case study noun noun BrE BrE//ˈkeɪs stʌdi// ; NAmE NAmE//ˈkeɪs stʌdi// Add to my wordlistjump to other resultsa detailed account of the development of a person, a group of people or a situation over a period of timeSee case study in the Oxford Learner's Dictionary of Academic EnglishSee case study in the Oxford Advanced American DictionaryCheck pronunciation: case study oxfordlearnersdictionaries.com