Antonyms for "made provision for" could be "neglected," "ignored," or "failed to plan." These words suggest that no action was taken to prepare for a particular situation or event, leading to potential problems or negative consequences. Another antonym could be "improvised," which implies taking action in the moment without prior preparation or planning. However, it is always better to be prepared and make provisions for any situation, even if it may seem unlikely. Planning ahead can save time, money, and stress, and can lead to better outcomes in the long run.