Kazal Pancreatic Trypsin Inhibitor (KPTI) is a protein found in the pancreas that functions to inhibit the activity of the enzyme trypsin. Antonyms for KPTI are words that express the opposite meaning of this protein. However, as KPTI is a highly specific term used in the scientific field, it is challenging to find direct antonyms for it. Nevertheless, one possibility is to use words that describe the function of trypsin or enzymes in general, such as activator, accelerator, or enhancer. Additionally, words that describe the opposite process, such as breakdown, degradation, or destruction, could also be considered as antonyms for KPTI.