Pronunciation: (out"grō'), [key]
—v., -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.
Archaic.to grow out; burst forth; protrude.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.