Thesaurus: biennially
Once in two years.
Related headwords
yearsdefinitiononcedefinitionbiennialfamilybiennialsfamilyBieberismneighborBiebersneighborBiebtardneighborBiebtardsneighborBiedermeierneighborBiedermeier styleneighborbiehliteneighborbieldneighborbielidneighborbierneighborbierbalkneighborbiersneighborbierstubneighborbiestingsneighborbifaceneighborbifacialneighborbifariousneighborbifariouslyneighbor