Definify.com
Webster 1913 Edition
Unfertile
Un-fer′tile
,Adj.
Not fertile; infertile; barren.
– Un-fer′tile-ness
, Noun.
Webster 1828 Edition
Unfertile
UNFER'TILE
, a.1.
Not fertile; not rich; not having the qualities necessary to the production of good crops.2.
Barren; unfruitful; bare; waste.3.
Not prolific.[This word is not obsolete, but infertile is much used instead of it.]