The definition of facetious is a joke made about something serious.adjective
An example of facetious is someone saying that people whose homes have burned down don't have to worry about whether the housekeeper did a good job.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
Origin: Fr facétieux < L facetia: see facetiae & -ous
Used by arrangement with John Wiley & Sons, Inc.
Origin: French facétieux, from facétie, jest, from Latin facētia, from facētus, witty.
- fa·ceˈtious·ly adverb
- fa·ceˈtious·ness noun