Definition of sterile
1 a
:failing to bear or incapable of producing fruit or spores
b
:failing to produce or incapable of producing offspring
- a sterile hybrid
c
:incapable of germinating
- sterile spores
d
of a flower
:neither perfect nor pistillate
2 a
:unproductive of vegetation
- a sterile arid region
b
:free from living organisms and especially pathogenic microorganisms
- a sterile syringe
c
:lacking in stimulating emotional or intellectual quality :lifeless
- a sterile work of art
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