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What is the Meaning of “Prognosis”?

Prognosis
/prɒɡˈnoʊ.sɪs/
noun C1 Tier 4 (Top 10,000 words) formal medical

A doctor's forecast about how an illness will develop and whether the patient will recover.

Definition of Prognosis

Quick Meaning of Prognosis

A doctor's forecast about how an illness will develop and whether the patient will recover.

Detailed Definition of Prognosis

A medical prediction of the likely course and outcome of a disease or illness.

How to Pronounce Prognosis

IPA: /prɒɡˈnoʊ.sɪs/
prog no sis

Stress pattern: oOo (3-syllable word).

Tip: Three syllables: prog-NOH-sis. Stress on second syllable. 'g' is hard as in 'go'.

Watch out: Pronouncing the 'g' softly; it is always hard as in 'get'.

Full pronunciation guide for “prognosis” →

Origin and Etymology of Prognosis

From Greek prognosis (foreknowledge): pro- (before) + gnosis (knowledge).

How to Use Prognosis in a Sentence

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

  • “The doctor gave a positive prognosis for the patient's recovery.”
    A2 daily
  • “The prognosis for early-stage cancer is usually more favorable.”
    B1 conversation
  • “Specialists issued a cautious prognosis pending further test results.”
    B2 written

Synonyms and Antonyms of Prognosis

Common Synonyms for Prognosis

Smart Synonyms for Prognosis — When to Use Each

forecast
used broadly in medical, weather, or economic contexts
outlook
general expected future condition or health
prediction
non-medical expectation or estimate

See all synonyms for “prognosis” →

Common Collocations with Prognosis

These phrases pair with “prognosis” in everyday English:

  • favorable prognosis
  • poor prognosis
  • long-term prognosis
  • medical prognosis
  • issue a prognosis

Common Mistakes When Using Prognosis

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

✗ Wrong: The doctor gave a diagnosis about recovery time.
✓ Correct: The doctor gave a prognosis about recovery time.
Why: Prognosis predicts outcome; diagnosis identifies the disease
✗ Wrong: The plural of prognosis is prognosis.
✓ Correct: The plural of prognosis is prognoses.
Why: Greek -is nouns form plurals with -es

Words Confused With Prognosis

  • Prognosis vs Diagnosis: diagnosis identifies the disease; prognosis predicts how it will progress

Other Forms of Prognosis

Frequently Asked Questions About Prognosis

What is the meaning of "Prognosis"?

A doctor's forecast about how an illness will develop and whether the patient will recover.

How do you pronounce "Prognosis"?

The IPA is /prɒɡˈnoʊ.sɪs/. Three syllables: prog-NOH-sis. Stress on second syllable. 'g' is hard as in 'go'.

What part of speech is "Prognosis"?

"Prognosis" is a noun at C1 level (Common European Framework).

What are synonyms for "Prognosis"?

Common synonyms include forecast, outlook, prediction.

How do you use "Prognosis" in a sentence?

For example: "The doctor gave a positive prognosis for the patient's recovery."

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