OUTGROW

[verb] [T] [past simple] outgrew, [past participle] outgrown - to grow bigger than or too big for (something)My seven-year-old had new shoes in April and he's already outgrown them (= his feet have grown too large for them).He's only 12 but he's outgrown his mother already.The company, which has already taken on 75 new staff this year, is beginning to outgrow (= become too large for) its office space.(figurative) He outgrew his adolescent interest in war and guns when he left home to go to university (= as he became older, his interests changed and became more adult).