verb, -grew, -grown, -grow⋅ing.| 1. | to grow too large for: to outgrow one's clothes. |
| 2. | to leave behind or lose in the changes incident to development or the passage of time: She outgrew her fear of the dark. |
| 3. | to surpass in growing: watching one child outgrow another. |
| 4. | Archaic. to grow out; burst forth; protrude. |