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Use "grum" in a sentence
"In the middle of the night, Shotgun oozed up onto the foot of the bed and sprawled out lazily, pushing me off to the side, grum-pling his annoyance that I was taking up so much room; every so often, he farted his opinion of the spaghetti sauce, then after a while he began snoring, a wheezing-whistling noise."
"He added that he had been told by Robert Valbringue, who lately passed that way in his return from Africa, that a sixth kind was to fly hither out of hand, which he called capus-hawks, more grum, vinegar-faced, brain-sick, froward, and loathsome than any kind whatsoever in the whole island."
""They weren't any joy for us, I can tell you," Keman grum-bled."