twice a year; semiannually: He seeded the lawn semiyearly.
Origin of semiyearly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for semiyearly
Historical Examples of semiyearly
A semiyearly settling period had come around, and he had found himself without sufficient funds to pay in full, as he usually did.Dominie Dean
Ellis Parker Butler
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