"More ultrasensitive" is a term that indicates a heightened level of sensitivity towards a particular object or phenomenon. Some synonyms for this term would be "super-sensitive," "hyper-sensitive," "ultra-responsive," or "extremely perceptive." These words have a similar connotation to "more ultrasensitive," indicating that something is capable of noticing even the slightest change or difference in its surroundings. These words are often used to describe advanced technological devices, highly-trained animals, or individuals who possess an extraordinary capacity for observation and detection. In essence, they all describe an increased level of awareness or discernment that goes beyond the norm and is reflective of an exceptional level of sensitivity.