in·​ter·​an·​nu·​al ˌin-tər-ˈan-yə(-wə)l How to pronounce interannual (audio)
variants or less commonly inter-annual
: occurring between, relating to, or involving two or more years : occurring or observed in different years
interannual changes in weather patterns

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of interannual was in 1881

Dictionary Entries Near interannual

Cite this Entry

“Interannual.” Dictionary, Merriam-Webster, Accessed 23 Jun. 2024.

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