Standard Lemma guide

horseweed

noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

Any of various flowering plants of the genus Conyza.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A plant of the species Cichorium intybus

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A plant of the species Ambrosia trifida.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A plant of the species Erigeron canadensis.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Canadian fleabane, fleabane, Conyza canadensis, Erigeron canadensis

Antonyms: none provided

Broader terms: weed

6

noun

Meaning 6

erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: horse balm, stoneroot, stone-root, richweed, stone root, Collinsonia canadensis

Antonyms: none provided

Broader terms: herb, herbaceous plant

History

Etymology

From horse + weed.

Across languages

Translations

1 source translations are retained for this English entry.

  • Polish: konyza — a flowering plant of a number of the genus Conyza