The antonyms for the word "made productive" could be "destroyed", "wasted", "idle", "inefficient", or "useless". These words indicate a lack of efficiency, effectiveness, and purposefulness. Instead of building something or creating value, these antonyms suggest that something has been rendered useless or even harmful. When something is "destroyed", it means that it has been completely dismantled or demolished, and it is no longer useful. Similarly, "wasted" implies that resources have been squandered, while "idle" indicates that something is not being put to good use. "Inefficient" suggests that a process or system is not working properly, while "useless" means that something has no worthwhile purpose.