1) Arid 2) Barren 3) Unproductive 1) Not directly productive 2) Not productive 3) Not worthwhile or beneficial 4) Unproductive 
[adj] - not directly productive
adjective not directly productive; `nonproductive labor`
not productive; unproductive. · not worthwhile or beneficial; not leading to practical or beneficial results. · not producing goods directly, as employees in charge of personnel or inspectors.