Firmest
Firmest is the superlative form of the adjective "firm". It indicates the highest degree of solidity, stability, or resoluteness. In a physical sense, "firmest" describes something that is most resistant to pressure or movement, offering the greatest support. For example, one might refer to the firmest mattress for optimal back support. Metaphorically, "firmest" can describe the strongest commitment or the most unwavering conviction. A person with the firmest resolve is unlikely to be swayed from their decision. Similarly, a firmest handshake conveys confidence and sincerity. The word implies a comparative quality, meaning it is the firmest among a group or in a particular context. Its usage emphasizes the peak of firmness, distinguishing it from other levels of solidity or determination.