SAT Basic
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beneficial

/ˌbenɪˈfɪʃl/
English Definition
adj. helpful, good
中文释义
有益的
Example Sentence

Regular physical exercise has been shown to have a beneficial effect on cardiovascular health and overall longevity.

经常进行体育锻炼已被证明对心血管健康和整体寿命有有益的影响。

Synonyms
advantageous helpful salutary
Antonyms
harmful detrimental
Seen in practice — from the Digital SAT question bank

In a laboratory experiment, seedlings grown in soil inoculated with a particular beneficial fungus developed root systems 40% larger than genetically identical seedlings grown in sterile soil with the exact same nutrient content.

From a Inferences question · Information and Ideas

In a laboratory experiment, tomato plants grown in soil inoculated with a particular beneficial bacterium produced fruit with 25% higher vitamin C content than genetically identical plants grown in sterile soil with the exact same nutrient and light conditions.

From a Inferences question · Information and Ideas

💡
Memory Aid / 记忆技巧
bene(good)+fic(do)
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Practice — Definition Match

Which choice best defines “beneficial”?

  1. A Promoting health or well-being
  2. B Helpful, good
  3. C Designed to stop something undesirable
  4. D Motherly
Show answer

B — Helpful, good. “beneficial” means helpful, good.

Practice — Which Word Fits?

Which word means “helpful, good”?

  1. A wholesome
  2. B maternal
  3. C preventive
  4. D beneficial
Show answer

D — beneficial. “beneficial” means helpful, good.

Common questions about “beneficial”

What does “beneficial” mean?

beneficial — helpful, good. In Chinese: 有益的.

How do you pronounce “beneficial”?

beneficial is pronounced /ˌbenɪˈfɪʃl/.

How is “beneficial” used in a sentence?

Regular physical exercise has been shown to have a beneficial effect on cardiovascular health and overall longevity. (经常进行体育锻炼已被证明对心血管健康和整体寿命有有益的影响。)

What are synonyms for “beneficial”?

advantageous, helpful, salutary — all close in meaning to beneficial (helpful, good).

What is the opposite of “beneficial”?

harmful, detrimental — each the opposite of beneficial (helpful, good).

Is “beneficial” an SAT vocabulary word?

Yes. beneficial 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.

How can I remember “beneficial”?

bene(good)+fic(do)

Progress / 学习进度
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This level: 0 mastered (0% of the level)
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.