Comparative form of shifty: more shifty(adjective)
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Use "shiftier" in a sentence
"Their ideal nominee should evidently be a blowhard ignoramus with a moral compass that's shiftier than the San Andreas fault line, and at least as deeply cracked."
"It helps a lot, I'm a lot shiftier than guys, I can get away from guys and they can't get a direct hit on me."
"At 6-foot-4, 264 pounds, he ' s seven inches taller — and 66 pounds heavier — than the shiftier Mr. Bradshaw."