interannual

adjective

in·​ter·​an·​nu·​al ˌin-tər-ˈan-yə(-wə)l How to pronounce interannual (audio)
-yü-əl
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

Examples of interannual in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
And how might interannual oceanographic variability influence these aggregations? Scott Travers, Forbes.com, 26 Apr. 2025

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of interannual was in 1881

Cite this Entry

“Interannual.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interannual. Accessed 13 May. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!