Standard Lemma guide

poisonousness

noun · 1 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

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1

noun

Meaning 1

The state or quality of being poisonous.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: toxicity

Antonyms: none provided

History

Etymology

Etymology tree English poisonous Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English poisonousness From poisonous + -ness.

Across languages

Translations

3 source translations are retained for this English entry.

  • Kyrgyz: уулуулук (uuluuluk) — state of being poisonous
  • Latvian: indīgums — state of being poisonous
  • Russian: ядови́тость (jadovítostʹ) — state of being poisonous