Collins COBUILD Advanced Learner's English Dictionary - grow out of

1. If you grow out of a type of behaviour or an interest, you stop behaving in that way or having that interest, as you develop or change. Most children who stammer grow out of it. = outgrow PHRASAL VERB: V P P n 2. When a child grows out of an item of clothing, they become so tall or big that it no longer fits them properly. You’ve grown out of your shoes again. = outgrow PHRASAL VERB: V P P n