Weedy

Adjective

1. Abounding with weeds.

   "weedy grounds"

2. Of, relating to or resembling weeds.
3. Consisting of weeds.
4. Characteristic of a plant that grows rapidly and spreads invasively, and which grows opportunistically in cracks of sidewalks and disturbed areas.

   "a weedy species"

5. Small and weak.

   "a weedy lad"