The word "keef" has a few synonyms that are commonly used in the cannabis community. One of the most well-known synonyms is "kief", which refers to the sticky, powdery substance made up of trichomes that collect at the bottom of a grinder or trimmer. Other synonyms for keef include "pollen" or "dry sift". These terms all describe the same thing - the potent and concentrated form of cannabis that is often used to make edibles, tinctures, and other marijuana-infused products. No matter what term is used, keef remains a popular and powerful ingredient in the world of cannabis.