Homonym: Hard (Difficult)
"Hard" refers to a material's resistance to deformation or scratching. It is a property that can be measured in various ways, such as through the Mohs scale, which ranks minerals based on their hardness. Common examples of hard materials include diamond, steel, and granite.
In everyday language, "hard" can also describe tasks or challenges that require significant effort or skill to accomplish. For instance, learning a new language or solving complex math problems can be considered hard due to the time and dedication needed to succeed.