Fecund : producing or capable of producing an abundance of offspring or new growth; highly fertile.Fertile : (of soil or land) producing or capable of producing abundant vegetation or crops.Obsolete : no longer produced or used; out of date.Barren : (of land) too poor to produce much or any vegetation.Fruitless : failing to achieve the desired results; unproductive or useless.Antonym of Fecund is Barren