To give up; abandon (a plan, policy, etc.)
To leave, as in danger or out of necessity; forsake; desert
To discard is defined as to get rid of something or throw something away.
To cease making or manufacturing:
Find another word for outgrow. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for outgrow, like: grow beyond, leave-behind, grow-out-of, outlive, relinquish, abandon, discard, become attached to, discontinue and give up.