Compared to the same time period in the previous year(adjective)
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Use "year-over-year" in a sentence
"In addition, we will also be providing guidance on a long term year-over-year outlook."
"Are you referring to year-over-year Q4 or which comparison are you focused on John?"
"Prices were up 2.4% year-over-year, which is outside the Federal Reserve's comfort zone of 2.0% growth, but much less than the 2.9% rate seen in September."