De truncating is a term used to describe the act of removing or cutting off a part of something. There are a number of synonyms that can be used to describe the same action, depending on the context in which it is used. Some common synonyms for de truncating include: cutting, pruning, shearing, trimming, lopping, excising, detaching, severing, and amputating. These synonyms all refer to the removal of a portion of something, whether it be a limb, branch, or other object. Depending on the specific situation, one of these synonyms may be more appropriate than the others.