Pelf Pelf, n.; money or gain that is acquired in a dishonest way or is viewed with contempt. From Old French pelfre meaning “booty, stolen goods”, related to the word pilfer. [via, see, et] Share this:Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)