Poisonous

B2 16+

Pronunciation: /ˈpɔɪzənəs/

Definitions of poisonous

adjective causing or capable of causing death or illness if taken into the body

Example Sentences

A1 Some mushrooms are poisonous.

A2 It is important to teach children not to touch poisonous plants.

B1 The snake's bite is poisonous and can be deadly if not treated.

B2 The scientist studied the effects of the poisonous gas on the environment.

C1 The chef accidentally used a poisonous ingredient in the dish, causing illness in the guests.

C2 The rare frog species in the rainforest is known to have a poisonous secretion that can paralyze predators.

Examples of poisonous in a Sentence

formal The scientist warned that the berries growing in the wild were potentially poisonous.

informal Don't touch those plants, they could be poisonous!

slang Stay away from those mushrooms, they're totally poisonous.

figurative His words were like a poisonous snake, injecting doubt into her mind.

Grammatical Forms of poisonous

past tense

poisoned

plural

poisonous

comparative

more poisonous

superlative

most poisonous

present tense

poisons

future tense

will poison

perfect tense

has poisoned

continuous tense

is poisoning

singular

poisonous

positive degree

poisonous

infinitive

poison

gerund

poisoning

participle

poisoning

Origin and Evolution of poisonous

First Known Use: 0015 year
Language of Origin: Latin
Story behind the word: The word 'poisonous' originated from the Latin word 'poisonosus' which means full of poison or venom.
Evolution of the word: Over time, the word 'poisonous' has retained its meaning of being harmful or toxic when ingested or touched.