In fecundities refer to a state of being unfruitful or barren. There are several synonyms that can be used to describe this state of being, including infertility, sterility, unproductiveness, and fruitlessness. Infertility generally refers to the inability to conceive or produce offspring. Sterility refers more specifically to the inability to reproduce due to a lack of fertility in either male or female reproductive systems. Unproductiveness and fruitlessness describe situations where there is a lack of productivity or the inability to produce desired results. In fecundities can be used to describe situations in nature, such as barren landscapes or infertile soil, or in human contexts, such as unfruitful relationships or a lack of creativity.