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What is the Meaning of “Sufficiency”?

Sufficiency
/səˈfɪʃənsi/
noun C2 Tier 5 (Rare) formal academic

Being enough or adequate; having sufficient cause to produce an effect.

Definition of Sufficiency

Quick Meaning of Sufficiency

Being enough or adequate; having sufficient cause to produce an effect.

Detailed Definition of Sufficiency

The quality of being enough or adequate; being sufficient as a cause or condition; possessing what is needed to achieve an effect or satisfy a requirement.

How to Pronounce Sufficiency

IPA: /səˈfɪʃənsi/
sufficiency

Stress pattern: o (1-syllable word).

Tip: Pronounced as /səˈfɪʃənsi/

Watch out: See pronunciation guide

Full pronunciation guide for “sufficiency” →

Origin and Etymology of Sufficiency

From Latin sufficentia (adequacy). Logical and causal concept.

How to Use Sufficiency in a Sentence

Each example shows “sufficiency” with a CEFR level so learners can pick examples that match their fluency.

  • “Sufficiency requires a condition capable of producing the effect.”
    C2 academic
  • “Heating is a sufficient condition; yet sufficiency doesn't guarantee the outcome.”
    C2 academic
  • “Philosophers distinguish sufficiency from necessity in causal analysis.”
    C2 academic

Synonyms and Antonyms of Sufficiency

Common Synonyms for Sufficiency

Smart Synonyms for Sufficiency — When to Use Each

necessity
What is required versus what suffices
causation
Relationship involving sufficient and necessary causes
condition
That which suffices as a condition

Antonyms of Sufficiency

See all synonyms for “sufficiency” →

Common Collocations with Sufficiency

These phrases pair with “sufficiency” in everyday English:

  • sufficient condition
  • sufficient cause
  • sufficiency of
  • necessity and sufficiency

Common Mistakes When Using Sufficiency

Even fluent speakers slip up with “sufficiency”. Here’s how to avoid the most common errors:

✗ Wrong: Sufficiency means necessary and sufficient together
✓ Correct: Sufficiency is its own distinct causal relation
Why: Something can be sufficient without being necessary
✗ Wrong: Only one thing can be sufficient for an effect
✓ Correct: Multiple different things can each be sufficient
Why: Causation allows for multiple sufficient conditions
✗ Wrong: Sufficient cause guarantees the effect will occur
✓ Correct: Sufficient causes typically produce their effects unless blocked
Why: Sufficiency assumes normal conditions

Other Forms of Sufficiency

Frequently Asked Questions About Sufficiency

What is the meaning of "Sufficiency"?

Being enough or adequate; having sufficient cause to produce an effect.

How do you pronounce "Sufficiency"?

The IPA is /səˈfɪʃənsi/. Pronounced as /səˈfɪʃənsi/

What part of speech is "Sufficiency"?

"Sufficiency" is a noun at C2 level (Common European Framework).

What are synonyms for "Sufficiency"?

Common synonyms include adequacy, enough, completeness.

How do you use "Sufficiency" in a sentence?

For example: "Sufficiency requires a condition capable of producing the effect."

Explore Sufficiency in Other Tools