Wrinkleproof is a term commonly used to describe a garment or fabric that is resistant to wrinkling. However, there are many other words that can be used synonymous with wrinkleproof. For instance, wrinkle-resistant, wrinkle-free, crease-resistant, anti-wrinkle, and iron-free all convey the same meaning as wrinkleproof. Therefore, these synonyms can be used interchangeably in instances where one wants to describe a garment that is resistant to wrinkling. Overall, whether you prefer to use wrinkleproof, wrinkle-resistant, wrinkle-free, or any of the other synonyms, the important thing is to ensure that the garment or fabric is designed to retain its shape and appearance, even after repeated washing or wear.