said of a person or animal: unable to produce young
said of a plant: unable to produce fruit or seeds
said of land: unable to produce crops; impoverished; barren
deficient in ideas or originality
sterile discussions
free from living organisms, esp micro-organisms
bringing no rewards or results; not productive
sterilely adv
sterility /stəʹriliti/ noun
[Middle English via Old French from Latin sterilis]