nounNorth American • informal
- Something that requires or involves little or no mental effort: the enormous popularity of his TV show makes the book a no-brainer for himMore example sentences
- The exams now consist disproportionately of no-brainers like: ‘When you were in school, were you a member of a sports team?’
- Counting these no-brainers as evidence of genius is absurd.
- This is a no-brainer, but one of the biggest mistakes hikers make is not realizing the total length of the hikes they are on.