The word "contractable" refers to something that can be reduced in size or tightened, whereas its antonyms refer to things that are expandable, elastic, or pliable. Some antonyms for "contractable" are dilatable, extensible, stretchable, expandable, flexible, and supple. For instance, a piece of fabric that can stretch and expand is considered an expandable material, whereas a contractable material cannot do so. In the medical field, an infectious disease that is easily spread from person to person is referred to as contagious or communicable, which implies the opposite of contractable. Therefore, knowing antonyms for "contractable" can facilitate better communication and comprehension of the context in which the word is used.