Guess vs Prediction

When to use each in English, with meaning, register, and examples.

Guess

Top 1,000 (very common)A1verb

Prediction

Top 2,000 (common)B1noun
Most common: Guess
 GuessPrediction
Pronunciation🇬🇧 /["/ɡes/","/ˈɡesɪz/","/ɡest/","/ˈɡesɪŋ/"]/🇺🇸 /["/ɡes/","/ˈɡesɪz/","/ɡest/","/ˈɡesɪŋ/"]/🇬🇧 /["/prɪˈdɪkʃn/"]/🇺🇸 /["/prɪˈdɪkʃn/"]/
MeaningTo try to answer something without being sure.A guess about what will happen in the future.
ExampleCan you guess the answer to the riddle?The weather prediction for tomorrow shows a chance of rain.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA1B1
Part of speechverbnoun
Collocationscorrectly, right, incorrectly, can, can only, try to, at, from, could have guessed, might have guessed, should have guessed, correctly, right, incorrectly, can, can only, try to, at, from, could have guessed, might have guessed, should have guessed, correctly, right, incorrectly, can, can only, try to, at, from, could have guessed, might have guessed, should have guessed, correctly, right, incorrectly, can, can only, try to, at, from, could have guessed, might have guessed, should have guessedaccurate, correct, good, make, give, offer, prove something, turn out to be something, be borne out, amid predictions, contrary to a/​the prediction, despite a/​the prediction
Antonymsknow, certaintyretrospect, surprise
Common mistakesUsing 'guess' as a noun incorrectly, e.g., 'Give me a guess' instead of 'Take a guess.', Confusing 'guess' with 'know' — they have different levels of certainty., Using 'guess' with a direct object where an indirect object is needed.Confusing with 'forecast' — weather-related predictions versus general predictions., Using 'predictions' as a verb — it's a noun., Inaccurately using 'prediction' in informal settings.
Usage notesUse 'guess' when you are making a suggestion or estimation without having all the facts. It's appropriate in informal and formal contexts. Avoid using 'guess' in very serious situations where certainty is required.Use 'prediction' in formal contexts like science or statistics. It's less common in casual conversation. Avoid using it for more personal or emotional guesses.

Frequently asked questions: Guess vs Prediction

What's the difference between Guess and Prediction?

Guess: To try to answer something without being sure. Prediction: A guess about what will happen in the future.

Which is more common: Guess and Prediction?

Guess is the most common in everyday English.

Are Guess and Prediction the same CEFR level?

Guess: A1, Prediction: B1 on the CEFR scale.

Can I use Guess and Prediction interchangeably?

Not always. Guess and Prediction are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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