knobweed
knobweed noun: hyptis capitata, an erect annual lamiaceous shrub.

Noun
knobweed (usually uncountable, plural knobweeds)
- Hyptis capitata, an erect annual lamiaceous shrub.
- Synonyms:
- false ironwort
Synonyms of knobweed
Forms of knobweed
| plural | knobweeds |
|---|
Origin of knobweed
From knob + weed.
Questions about knobweed
- What does knobweed mean?
- Knobweed means hyptis capitata, an erect annual lamiaceous shrub.
- What part of speech is knobweed?
- Knobweed is a noun.
- What is the plural of knobweed?
- The plural of knobweed is knobweeds.
Words near knobweed in the dictionary
Source and license
Adapted from Wiktionary: knobweed (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “knobweed.” Word.ws, https://word.ws/knobweed. Based on Wiktionary, CC BY-SA 4.0.
