aseasonal

adjective

asea·​son·​al (ˌ)ā-ˈsēz-nəl 

-ˈsē-zᵊn-əl

: not occurring during or limited to a particular season : not seasonal

… one thing's for sure: ice cream has assumed an aseasonal appeal.

—Cate Devine, Herald (Glasgow), 25 July 1997

These initial results suggest that cloud forest bird communities may have far more seasonal life histories compared with relatively aseasonal annual cycles in lowland birds.

—Chris Filardi, New York Times, 19 Oct. 2010

Word History

Etymology

a- entry 2 + seasonal

First Known Use

1964, in the meaning defined above

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