Irresilience refers to the lack of elasticity or flexibility. To find antonyms for the phrase, "more irresilient," one needs to think of words that signify resilience or flexibility. Some of the antonyms for irresilient include elastic, springy, pliable, flexible, adaptable, or resilient. These words describe an object, material, or person that can bend and return to its original shape after being stretched or pulled. They signify the quality of being able to withstand pressure, stress, or shock without breaking or losing shape. By using these antonyms, we can describe someone or something that is active, durable, and capable of adapting to change without losing its essential qualities.