Cramp style, often referred to as cramped or constricted, can be a difficult way to design anything. Antonyms for this term would include unconstrained or spacious, where there is room to breathe and move freely. Other antonyms could be relaxed or informal, suggesting a more laid-back approach rather than a rigid one. An expansive style could also be considered the opposite of cramp style, providing ample space for creativity and experimentation. The key is to find a style that works best for the project at hand and allows for maximum expression and functionality.