infecundity (noun) barrenness: sterility
Sinonime: abiding, ceaseless,
chronic, continual, continuous, endless,
enduring, eternal, everlasting, incessant, interminable,
lasting, nonstop, perpetual,
persistent, persisting, relentless,
sustained, unending, uninterrupted, unrelenting, unremitting
Antonime: concluding, ending, interrupted, stopping, terminable, terminating