Definition of year–over–year

  1. :  comparing or based on comparing the same time period in successive years year-over-year growth year-over-year increases/declines The insurer said it paid out 16 percent less for catastrophe and storm claims on a year-over-year basis in the fourth quarter … — Victor Epstein, The Des Moines Register, 21 Feb. 2014

year over year

less commonly


adverb The society argued in the Journal of Forestry last year that this simple accounting is reasonable in the United States, where forest inventories have increased year over year since the 1930s. — Peter Fairley, IEEE Spectrum, April 2012 “Wall Street doesn't understand the seasonality of Intel's business,” says Michael Murphy, editor of the California Technology Stock Letter. “Their revenues will be down sequentially versus the first quarter, but year-over-year, growth will be 25%.” — Andrew Bary, Barron's Market Week, 26 May 1997

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First Known Use of year–over–year


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a trip made at another's expense

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