Weedy (adjective)

1. Full of or overgrown with weeds.
2. Resembling or characteristic of a weed; worthless.

Origin:

Middle english weedy, from old english wēdi-, wēd grass.

Examples:

1. The garden was weedy and needed to be tended.
2. The weeds were so tall in the weedy field.
3. The weedy smell of the unwanted plants was strong.
4. The weedy area was a haven for insects and small animals.
5. The weedy soil was not good for growing crops.