SAT Basic
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affected

/əˈfɛktɪd/
English Definition
adj. influenced or touched by an external factor
中文释义
受影响的
Example Sentence

The migration patterns of monarch butterflies were affected by the recent changes in regional climate.

帝王蝶的迁徙模式受到了近期区域气候变化的影响。

Synonyms
influenced impacted altered
Antonyms
unaffected immune
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Practice — Definition Match

Which choice best defines “affected”?

  1. A Not enjoyable or agreeable
  2. B Strange and wonderful, like something from a fantasy
  3. C Influenced or touched by an external factor
  4. D Not willing to help or do what someone asks
Show answer

C — Influenced or touched by an external factor. “affected” means influenced or touched by an external factor.

Practice — Which Word Fits?

Which word means “influenced or touched by an external factor”?

  1. A uncooperative
  2. B affected
  3. C fantastical
  4. D unpleasant
Show answer

B — affected. “affected” means influenced or touched by an external factor.

Common questions about “affected”

What does “affected” mean?

affected — influenced or touched by an external factor. In Chinese: 受影响的.

How do you pronounce “affected”?

affected is pronounced /əˈfɛktɪd/.

How is “affected” used in a sentence?

The migration patterns of monarch butterflies were affected by the recent changes in regional climate. (帝王蝶的迁徙模式受到了近期区域气候变化的影响。)

What are synonyms for “affected”?

influenced, impacted, altered — all close in meaning to affected (influenced or touched by an external factor).

What is the opposite of “affected”?

unaffected, immune — each the opposite of affected (influenced or touched by an external factor).

Is “affected” an SAT vocabulary word?

Yes. affected 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.