- 1 (of a child) to become too big to fit into a piece of clothing synonym outgrow He's already grown out of his school uniform. See related entries: Youth
- 2 to stop doing something as you become older synonym outgrow Most children suck their thumbs but they grow out of it. See related entries: Youth
- 3to develop from something The idea for the book grew out of a visit to India. The decision to introduce job sharing grew out of a general desire for flexible working hours.