yearlong

or year-long

[ yeer-lawng, -long ]
/ ˈyɪərˈlɔŋ, -ˈlɒŋ /

adjective

lasting for a year.

Origin of yearlong

First recorded in 1805–15; year + long1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for yearlong

British Dictionary definitions for yearlong

yearlong

/ (ˈjɪəˈlɒŋ) /

adjective

throughout a whole year
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012