Thesaurus.com
Dictionary.com
Definitions

poisonous

[poi-zuh-nuhs] / ˈpɔɪ zə nəs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Large-scale manufacturing has become essential to feeding the world’s population, and processes such as fermentation can transform inedible and poisonous plants into dietary staples.

From The Wall Street Journal Aug. 26, 2026

The Pluskal Group, including Mutabdžija, was studying the same difficult family of diterpenoid alkaloids in wolfsbane, a famously poisonous relative of larkspur that is also known as monkshood.

From Science Daily Aug. 3, 2026

For his part, during his by-election campaign, Burnham warned voters that Britain risked drifting towards the "polarised, poisonous politics" of the United States, where "people in communities don't work together any more".

From Barron's Jul. 19, 2026

From the outside it looks like an ordinary house on a terraced street - but behind lies a tropical jungle complete with some poisonous plants.

From BBC Jul. 1, 2026

Apparently the seeds are poisonous, but Grandpop eats them every day, which means by now he’s probably had at least a million, and seems fine...minus the whole glaucoma thing.

From "As Brave As You" by Jason Reynolds




Vocabulary lists containing poisonous


Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training