untalkaboutable

adj

untalkaboutable

adj

Etymology From un- + talk about + -able.

1

Informal That cannot or must not be discussed.

In the earlier period of Scandinavian history, serpents and dragons were looked upon as untalkaboutable subjects.1862, One Year in Sweden Including a Visit to the Isle of Götland, page 407:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.