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seasonality

American  
[see-zuh-nal-i-tee] / ˌsi zəˈnæl ɪ ti /

noun

plural

seasonalities
  1. the state or quality of being seasonal or dependent on the seasons.

    the seasonality of Halloween costumes.

  2. Usually seasonalities a pattern, variation, or fluctuation that is correlated with a season, day of the week, or other period of time.

    a study of birth seasonalities;

    You get higher returns in January because of seasonalities in stock prices.


Etymology

Origin of seasonality

First recorded in 1900–05; seasonal ( def. ) + -ity ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She added that spending money on food and long-term rent helps mitigate the seasonality of tourism, bringing consistent revenue to local businesses.

From BBC • Apr. 6, 2026

Investors had hoped April’s historically strong seasonality could bring a rebound for stocks after a rough first quarter.

From MarketWatch • Apr. 5, 2026

Revenue for 2H is expected to fall around 20% sequentially due to seasonality and forex headwinds, he says.

From The Wall Street Journal • Mar. 26, 2026

As well, Amos says there are near-term tailwinds from the usual seasonality in Australia’s metallurgical coal exports and rail disruptions in Russia’s Far East.

From The Wall Street Journal • Jan. 13, 2026

Their locations indicate seasonality of distribution, and their frequencies help indicate relative abundances of the various species.

From Whales, Dolphins, and Porpoises of the Western North Atlantic A Guide to Their Identification by Caldwell, David