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Use "deceasing" in a sentence
"Like our world, the population is slowly getting older and the number of workers to retirees is deceasing."
"Something is opening the throttle and deceasing the effectiveness of the brakes keep in mind that the ABS system can release the brakes as it sees fit."
"I was upstairs still working on my hamburger, not 10 minutes later, when I again heard that distinctive "snap" sound and, sure enough, when I ran out to the balcony overlooking the living room and fireplace and turned on the big light, there was another little sucker caught in the trap, also struggling to get out, also deceasing in my sight in a few seconds."