The term "most unsensible" refers to something that lacks common sense, logic, or reason. The antonyms for this phrase can include words like sensible, logical, rational, practical, or reasonable. When something is described as sensible, it means it is grounded in sound judgment and has a practical approach. Being logical implies that something follows a sequence of steps or events with clear connections. Rational indicates that something is based on reason and can be explained or justified logically. Practical refers to something that is suitable for a particular purpose and is focused on utility. Finally, reasonable implies that something is fair, logical, and sensible, given the available facts and circumstances.