Smegmat’ic, a. soapy, cleansing.
Word in the Wild: Are you sure you rinsed this cup properly? My tea tastes awfully smegmatic.
Smegmatic comes from the Greek smegma, meaning a detergent, soap, or unguent. I think it’s such a fun word to say a bunch of times in a row, having an aptly slippery feel to it.
You can find a complete listing of the Word Blog’s Vest-Pocket Vocabulary entries and learn more about where they come from here.