Antonyms of adj fertile

4 senses of fertile

Sense 1
fertile (vs. sterile) -- (capable of reproducing)

sterile (vs. fertile), unfertile, infertile -- (incapable of reproducing; "an infertile couple")
        => barren -- (not bearing offspring; "a barren woman"; "learned early in his marriage that he was sterile")
        => sterilized, sterilised -- (made infertile)
        => unfertilized, unfertilised, unimpregnated -- (not having been fertilized; "an unfertilized egg")

Sense 2
fecund, fertile, prolific -- (intellectually productive; "a prolific writer"; "a fecund imagination")

INDIRECT (VIA productive) -> unproductive -- (not producing or capable of producing; "elimination of high-cost or unproductive industries")

Sense 3
prolific, fertile -- (bearing in abundance especially offspring; "flying foxes are extremely prolific"; "a prolific pear tree")

INDIRECT (VIA fruitful) -> unfruitful -- (not fruitful; not conducive to abundant production)

Sense 4
fat, fertile, productive, rich -- (marked by great fruitfulness; "fertile farmland"; "a fat land"; "a productive vineyard"; "rich soil")

INDIRECT (VIA fruitful) -> unfruitful -- (not fruitful; not conducive to abundant production)

Similarity of adj fertile

4 senses of fertile

Sense 1
fertile (vs. sterile) -- (capable of reproducing)
       => conceptive, impregnable -- (capable of conceiving)
       => fecund -- (capable of producing offspring or vegetation)
       => fertilizable -- (capable of being fertilized)
       => rank -- (very fertile; producing profuse growth; "rank earth")
          Also See-> conceptive#1, impregnable#2; fruitful#1; potent#3, strong#4, stiff#4; productive#1

Sense 2
fecund, fertile, prolific -- (intellectually productive; "a prolific writer"; "a fecund imagination")
       => productive (vs. unproductive) -- (producing or capable of producing (especially abundantly); "productive farmland"; "his productive years"; "a productive collaboration")

Sense 3
prolific, fertile -- (bearing in abundance especially offspring; "flying foxes are extremely prolific"; "a prolific pear tree")
       => fruitful (vs. unfruitful) -- (productive or conducive to producing in abundance; "be fruitful and multiply")

Sense 4
fat, fertile, productive, rich -- (marked by great fruitfulness; "fertile farmland"; "a fat land"; "a productive vineyard"; "rich soil")
       => fruitful (vs. unfruitful) -- (productive or conducive to producing in abundance; "be fruitful and multiply")