Synonyms for the word "infirmer" can vary depending on the context. However, some alternatives that convey a similar meaning include "weaker", "frailer", "debilitated", "infirm", and "feeble". These terms all imply a lack of strength, vitality, or physical well-being. Whether referring to a person's health condition or an object's structural integrity, these synonyms describe the state of being less robust or resilient. Regardless, it is important to note that the choice of synonym should align with the intended meaning and usage to ensure accurate communication. Ultimately, understanding the context and intended connotation of the word "infirmer" will determine which synonym is most suitable.