What is the best antonym for insert?

Best antonym for insert as verb meaning to put something into something is remove, extract, withdraw, pull out, take out, delete, or eject, which mean to take something out of something. Insert means to place or put in, so opposite action is to take out. Best antonym depends on context, but most general and commonly used antonym is remove, as in insert card versus remove card, insert key versus remove key. Other antonyms include extract meaning to pull out, withdraw meaning to take back, delete meaning to remove text, and detach meaning to separate. As noun, insert meaning thing inserted, antonym could be extraction or removal. So best antonym for insert is remove, with extract and withdraw also strong antonyms, as insert is putting in, remove is taking out, representing opposite actions. For example, insert batteries versus remove batteries. So remove is best antonym for insert.