Blancher is a cooking term used to describe the process of quickly boiling food and then cooling it down with cold water. If you're searching for synonyms for blancher, you might consider words like scald or parboil, which both refer to partially cooking food with hot water. Other synonyms for blancher include marinate, brine, and soak, which all involve soaking food in a liquid for a period of time to infuse it with flavor or soften its texture. Some lesser-known synonyms for blancher include blench, which means to drain color from something, and blite, which is an Old English word for boiling water.