It's the Word of the Day podcast for January 29th.
Today's word is facetious, spelled F-A-C-E-T-I-O-U-S.
Facetious is an adjective.
It's used to describe something such as a remark or behavior that is meant to be humorous or funny,
but is sometimes instead annoying, silly, or improper.
It can also be used to describe someone who is joking,
often implying that they are doing so inappropriately.
Here's the word used in a sentence from The New Yorker by Anthony Lane.
Safe to say that he continued taking advantage of that freedom to cram into the poem pretty much anything that came to mind.
Shipwreck, cannibalism, lobster, cross-dressing, violent slurs upon the Duke of Wellington.
As many puzzle fans know,
the word facetious is one of a small group of English words that not only use all five vowels once,
but use them all in alphabetical order.
Other members of this exclusive club include Abstemius, and Abstemiously, and Arseneus.
There is also an odd class of words which contain each vowel used once in reverse order.
Pulmonifera, Muscoidia, and Subcontinental.
Facetius comes from the Middle French adjective facetieux,
which traces to the Latin word facetia, meaning cleverness or wit.
In English, it's used to describe speech or behavior that is intended to be playfully cheeky.