Cornified is an adjective that means to be hardened or compacted. It is commonly used in describing the condition of the skin, hair, and nails. However, there are different synonyms for cornified that can be used in place of the word. Examples of these synonyms include calcified, ossified, indurated, solidified, toughened, rigid, and stiffened. These words can be used interchangeably with cornified to describe the hardening or compacting of organic materials. When choosing a synonym, it is important to consider the context of the sentence to ensure that it accurately conveys the intended meaning.