True cartilage is a type of connective tissue that is known for its strength and durability. It is found in a variety of locations throughout the body, including the ears, nose, and joints. However, if we look for antonyms for the word "true cartilage," we find a range of related terms including weak, delicate, brittle, and flimsy. These words refer to types of tissues or materials that lack strength, support, and resilience. In contrast to true cartilage, these materials may be more prone to damage or deterioration over time, and may be unable to withstand the stresses of daily life.