- 1a description of the main facts or points involved in something This is a brief outline of the events. You should draw up a plan or outline for the essay. The book describes in outline the main findings of the research. an outline agreement/proposal
- 2the line that goes around the edge of something, showing its main shape but not the details At last we could see the dim outline of an island. an outline map/sketch She drew the figures in outline.
Check pronunciation: outline