Vocab5000
Dictionary CEFR Levels IELTS & TOEFL Idioms Games Download App

poisonous

adjective B1 Neutral

Meaning

Poisonous means something that can harm or kill you if you touch it or eat it.
💡 Don't confuse "poisonous" with "toxic"; both mean harmful, but "poisonous" usually refers to living things.

Example Sentences

Be careful , that mushroom looks poisonous and could make you sick .
Is that mushroom poisonous or safe to eat ?
Some mushrooms in the forest are poisonous and should be avoided .
This plant is not poisonous , so it is safe to touch .

Word in Context

Yesterday I walked in the park near my house and I saw a group of mushrooms by an old tree . They had bright colors , so I stopped to look , but I remembered that some mushrooms are poisonous . I took a photo and sent it to a friend who knows about plants . He answered quickly and told me not to touch them because they might be dangerous . After that I stayed on the path and watched the mushrooms from a safe distance .

Common Phrases

poisonous plants poisonous gas poisonous substances

Synonyms

Never forget "poisonous"

Set a daily goal, reinforce with word cards and games, and track your progress in the Vocab5000 app — learn every B1 level word permanently with our science-based repetition system.

Vocab5000