1) Arid 2) Barren 3) Dry 4) Impotent 5) Infecundous 6) Sterile 7) Unfertile 8) Unfertilised 9) Unfertilized 10) Unfruitful 11) Unimpregnated 12) Unproductive 1) Barren 2) Blocked 3) Fruitless 4) French word used in English 5) Impotent 6) Incapable of reproducing 7) Not fertile 8) Soil that has no nutrients 9) Sterile 10) Sterilised 11) Sterilized 12) Uncreative 13) Unfertile 14) Unfertilised 15) Unfertilized 16) Unfruitful 17) Unimpregnated 18) Unproductive 
• (a.) Not fertile; not productive; barren; sterile; as, an infertile soil.
[Adjective] If someone is infertile, it means they are unable to have children.
Unable to produce children.
Soil that has no nutrients.
In·fer'tile adjective [ Latin infertilis : confer French infertile . See In- not, and Fertile .] Not fertile; not productive; barren; sterile; as, an infertile soil. 
Infertile: Not able to conceive after a year of regular intercourse without contraception. Infertility can be due to many causes. In most cases of possible female infertility, the problem is found to originate with the male partner's sperm motility. Some cases are due to physical problems or malformations of the female reproductive system. Others a...
Unable to produce children. There are a variety of reasons why a couple may not be able to conceive naturally or without medical assistance. Although no mehtod is guaranteed at providing conception, fetility treatments are available to women and couples that have not been successful on their own. Narrower term(s): Fertility Treatment
For a bird, sterile - unable to reproduce (e.g. sperm are not alive.) For an egg, has not been fertilized.
[adj] - incapable of reproducing
Unable to have children.
an egg that is not fertilized and therefore will not hatch
not fertile; unproductive; sterile; barren: infertile soil.