Definition of weediness in US English:

weediness

noun

  • See weedy

    • ‘These papers provided evidence and/or arguments for such potential hazards as gene escape, increased weediness, evolution of insect resistance to modified traits and socio-economic impacts of agricultural biotechnology.’
    • ‘We need to of course maintain the highest possible vigilance in relation to any issues, whether they be health issues from GMOs, or whether they be the risks of weediness that might come from the growing of genetically modified crops.’
    • ‘His lyrics are often more spoken than sung, but his voice has an engaging weediness - sort of nerdy and aggressive at the same time.’
    • ‘In the case of modified crops, these risks include the possibility of increased weediness of GM crops, of gene flow to relatives of modified crops and effects to overall crop-plant genetic diversity.’