/owt'groh"/ , v. , outgrew, outgrown, outgrowing .
v.t.
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.
v.i.
4. Archaic. to grow out; burst forth; protrude.
[ 1585-95; OUT- + GROW ]