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What is the Meaning of “Guarantee”?

Guarantee
/ˌɡærənˈtiː/
verb B1 Tier 4 (Top 10,000 words)

Promise that something will definitely happen or that a product will work properly.

Definition of Guarantee

Quick Meaning of Guarantee

Promise that something will definitely happen or that a product will work properly.

Detailed Definition of Guarantee

To promise to provide something or ensure it will happen

How to Pronounce Guarantee

IPA: /ˌɡærənˈtiː/
guar an tee

Stress pattern: ooO (3-syllable word).

Tip: Stress the second syllable: guar-AN-tee. The first vowel is short as in 'cat', not long.

Watch out: Often mispronounced as 'guarentee' or 'guaruntee'; the letter 'a' is not prominent in speech.

Full pronunciation guide for “guarantee” →

Origin and Etymology of Guarantee

From Spanish guarantía, originally meaning pledge or security.

How to Use Guarantee in a Sentence

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

  • “The company guarantees free replacement if the phone breaks within one year.”
    B1 written
  • “I guarantee you will like this restaurant; the food is excellent.”
    B1 conversation
  • “The manufacturer guarantees the quality of their products for five years.”
    B1 formal

Synonyms and Antonyms of Guarantee

Common Synonyms for Guarantee

Smart Synonyms for Guarantee — When to Use Each

promise
when giving a personal commitment about the future
assure
when telling someone something will definitely be okay
ensure
when taking steps to make something certain to

See all synonyms for “guarantee” →

Common Collocations with Guarantee

These phrases pair with “guarantee” in everyday English:

  • guarantee quality
  • guarantee a refund
  • lifetime guarantee
  • guarantee success
  • guarantee results

Common Mistakes When Using Guarantee

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

✗ Wrong: The store guarantees for five years.
✓ Correct: The store guarantees the product for five years.
Why: Must include the object being guaranteed; 'guarantees for five years' is incomplete without stating what is guaranteed.
✗ Wrong: I guarantee you that you will enjoy it.
✓ Correct: I guarantee that you will enjoy it.
Why: Using 'you' between 'guarantee' and 'that' is awkward; omit the object pronoun before the clause.

Other Forms of Guarantee

Frequently Asked Questions About Guarantee

What is the meaning of "Guarantee"?

Promise that something will definitely happen or that a product will work properly.

How do you pronounce "Guarantee"?

The IPA is /ˌɡærənˈtiː/. Stress the second syllable: guar-AN-tee. The first vowel is short as in 'cat', not long.

What part of speech is "Guarantee"?

"Guarantee" is a verb at B1 level (Common European Framework).

What are synonyms for "Guarantee"?

Common synonyms include promise, assure, ensure.

How do you use "Guarantee" in a sentence?

For example: "The company guarantees free replacement if the phone breaks within one year."

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