Antonyms for the word "makes snug" would be words that mean the opposite, such as "loosens," "unfastens," or "unsettles." These words imply the opposite of making something tight or secure, instead suggesting something that is loose, undone, or unstable. When something is made snug, it is often done so to provide comfort, security, or stability, so antonyms for this phrase may also suggest discomfort, insecurity, or instability. Some other antonyms for "makes snug" might include "unfitted," "unadjusted," or "unsecured." These words represent the opposite of making something snug, which is to leave it unfastened or improperly fitted.