Adverb
to an inexpressible degree
Source: WordNetIt is by the goodness of God that in our country we have those three unspeakably precious things: freedom of speech, freedom of conscience, and the prudence never to practice either of them. Mark Twain
There is a charm about the forbidden that makes it unspeakably desirable. Mark Twain
To me, every hour of the day and night is an unspeakably perfect miracle. Walt Whitman
AUSTRALIA, n. A country lying in the South Sea, whose industrial and commercial development has been unspeakably retarded by an unfortunate dispute among geographers as to whether it is a continent or an island. Ambrose Bierce
The most important message of a crucifix, to me anyway, was how unspeakably cruel supposedly sane human beings can be when under orders from a superior authority. Kurt Vonnegut
Africa is poor because its investors and its creditors are unspeakably rich. Naomi Klein