Vitrines holding wildly different white or black objects make no sense, because whatever might be the specific visual point of the art objects is extraneous.

While a few extra characters are left at loose ends and therefore feel extraneous, those aren’t necessary for the communication of the central ideas of class warfare and hypocrisy.

For the same reason, Biden’s defense could not make normally extraneous legal arguments at trial about the prosecutor’s decision to bring the case.

She called on voters to look past what she called “extraneous issues” like the candidates’ ages or their alleged crimes.

One Malaysian/Thai-style chicken curry is available — it’s good, but, in context, seems extraneous.