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rationality

/ˌræʃəˈnæləti/
English Definition
n. the quality of being based on or in accordance with reason or logic
中文释义
理性,合理性
Example Sentence

The committee's decision to postpone the launch was praised for its rationality, as it avoided potential technical failures during the storm season.

委员会决定推迟发射因其合理性而受到赞扬,因为它避免了风暴季节期间可能的技术故障。

Synonyms
logic reason soundness
Antonyms
irrationality folly
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Practice — Definition Match

Which choice best defines “rationality”?

  1. A Basic laws of a country
  2. B Extreme tiredness
  3. C The quality of continuing steadily despite problems or difficulties
  4. D The quality of being based on or in accordance with reason or logic
Show answer

D — The quality of being based on or in accordance with reason or logic. “rationality” means the quality of being based on or in accordance with reason or logic.

Practice — Which Word Fits?

Which word means “the quality of being based on or in accordance with reason or logic”?

  1. A weariness
  2. B constitution
  3. C rationality
  4. D persistence
Show answer

C — rationality. “rationality” means the quality of being based on or in accordance with reason or logic.

Common questions about “rationality”

What does “rationality” mean?

rationality — the quality of being based on or in accordance with reason or logic. In Chinese: 理性,合理性.

How do you pronounce “rationality”?

rationality is pronounced /ˌræʃəˈnæləti/.

How is “rationality” used in a sentence?

The committee's decision to postpone the launch was praised for its rationality, as it avoided potential technical failures during the storm season. (委员会决定推迟发射因其合理性而受到赞扬,因为它避免了风暴季节期间可能的技术故障。)

What are synonyms for “rationality”?

logic, reason, soundness — all close in meaning to rationality (the quality of being based on or in accordance with reason or logic).

What is the opposite of “rationality”?

irrationality, folly — each the opposite of rationality (the quality of being based on or in accordance with reason or logic).

Is “rationality” an SAT vocabulary word?

Yes. rationality 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.