noun · 7 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.
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Pronunciation
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/ˈpɔɪ.z(ə)nˌbɛ.ɹi/
rhymes with -ɔɪzənbɛɹi
1
noun
Meaning 1
Informal name of various plants with poisonous berries, most commonly nightshades:
Deadly nightshade.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Informal name of various plants with poisonous berries, most commonly nightshades:
Bittersweet nightshade, Solanum dulcamara.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Informal name of various plants with poisonous berries, most commonly nightshades:
Plants in the genus Cestrum: Cestrum nocturnum, Cestrum parqui.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
Informal name of various plants with poisonous berries, most commonly nightshades:
Any other berry of a plant in the nightshade family, Solanaceae, most of which are poisonous at least when unripe.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
Informal name of various plants with poisonous berries, most commonly nightshades:
Bluebead lily (Clintonia borealis).
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
Informal name of various plants with poisonous berries, most commonly nightshades:
Pokeweed.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
noun
Meaning 7
Eurasian herb naturalized in America having white flowers and poisonous hairy foliage and bearing black berries that are sometimes poisonous but sometimes edible
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: black nightshade, common nightshade, poison-berry, Solanum nigrum