The term "incapable of life" can be replaced with several synonyms, such as unviable, nonviable, unproductive, barren, dead, lifeless, and sterile. These words refer to things or organisms that lack the ability to live, grow, or reproduce. For example, unviable embryos, nonviable seeds, or barren lands are some situations where these synonyms can be used. These words can also be applied figuratively to describe ideas or strategies that have no chance of succeeding or producing any significant results. Therefore, incorporating these synonyms into your vocabulary can make your writing more accurate, expressive, and informative.