adjective

• Abounding with weeds.
• Of, relating to or resembling weeds.
• Consisting of weeds.
• (botany) Characteristic of a plant that grows rapidly and spreads invasively, and which grows opportunistically in cracks of sidewalks and disturbed areas.
• (figurative, of a person or animal) Small and weak.
• (figurative, UK, Ireland, informal) Lacking power or effectiveness.