The word "tortile" refers to something that is twisting or coiling in shape. Its antonyms would be words that describe things that are straight, flat, or uncoiled. Examples of antonyms for "more tortile" would be words like straight, rigid, inflexible, or linear. These words would be used to describe things that do not have the twisting or coiling characteristics of something that is tortile. When writing, it is important to have a good understanding of antonyms, as they can help you to clarify your thoughts and express your ideas more precisely.