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Use "unspeakably" in a sentence
"This unbelievable arrogance by people from the U.S. toward the rest of the world is in unspeakably bad taste and one of the reasons Gringos are so resented."
"The old man smiled, his expression unspeakably hideous through the half-dried blood."
"Beneath that flat and brainless brow its black, beady eyes simply glittered as at first with an expression unspeakably malignant."