Oxford Dictionary English brainstorming nounnoun BrE BrE//ˈbreɪnstɔːmɪŋ// ; NAmE NAmE//ˈbreɪnstɔːrmɪŋ// [uncountable] Business meetings Add to my wordlistjump to other resultsa way of making a group of people all think about something at the same time, often in order to solve a problem or to create good ideas a brainstorming session Wordfindermeetingagenda, AGM, apology, brainstorming, breakout, the chair, committee, convene, meeting, the minutes Oxford Collocations DictionaryBrainstorming is used before these nouns: session See full entry See related entries: Business meetingsCheck pronunciation: brainstorming oxfordlearnersdictionaries.com