fal·low 
/ˈfæloʊ/ adjective
/ˈfæloʊ/ adjective 1 : not used for growing crops : not planted
▪ fallow land/fields ▪ allowing several fields to lie fallow 2 : not active or productive
▪ a writer who has been going through a fallow period [=a period in which he has done no writing] ▪ There were too many promising ideas lying fallow [=not being used] at the company.
▪ fallow land/fields ▪ allowing several fields to lie fallow
▪ a writer who has been going through a fallow period [=a period in which he has done no writing] ▪ There were too many promising ideas lying fallow [=not being used] at the company.
