SAT Basic
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poisonous

/ˈpɔɪzənəs/
English Definition
adj. containing poison that is dangerous
中文释义
有毒的
Example Sentence

Certain mushrooms in the forest are poisonous, so foragers must learn to distinguish them from edible varieties.

森林中的某些蘑菇是有毒的,因此采摘者必须学会将它们与可食用品种区分开来。

Synonyms
toxic venomous noxious
Antonyms
harmless nonpoisonous
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Practice — Definition Match

Which choice best defines “poisonous”?

  1. A Needed to be done, achieved, or present; essential
  2. B Able to be touched or felt
  3. C Containing poison that is dangerous
  4. D Mentally healthy
Show answer

C — Containing poison that is dangerous. “poisonous” means containing poison that is dangerous.

Practice — Which Word Fits?

Which word means “containing poison that is dangerous”?

  1. A necessary
  2. B sane
  3. C poisonous
  4. D touchable
Show answer

C — poisonous. “poisonous” means containing poison that is dangerous.

Common questions about “poisonous”

What does “poisonous” mean?

poisonous — containing poison that is dangerous. In Chinese: 有毒的.

How do you pronounce “poisonous”?

poisonous is pronounced /ˈpɔɪzənəs/.

How is “poisonous” used in a sentence?

Certain mushrooms in the forest are poisonous, so foragers must learn to distinguish them from edible varieties. (森林中的某些蘑菇是有毒的,因此采摘者必须学会将它们与可食用品种区分开来。)

What are synonyms for “poisonous”?

toxic, venomous, noxious — all close in meaning to poisonous (containing poison that is dangerous).

What is the opposite of “poisonous”?

harmless, nonpoisonous — each the opposite of poisonous (containing poison that is dangerous).

Is “poisonous” an SAT vocabulary word?

Yes. poisonous is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.

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The Digital SAT tests vocabulary through Words in Context questions, never as a standalone definition. Learn the word, then use it against a real passage.