Synonyms in Detail: assure and guarantee Usage & Differences

What context can I use each word in?

Learn when and how to use these words with these examples!

assure

Example

I assure you that the product will arrive on time. [assure: verb]

Example

She assured me that everything would be fine. [assured: past tense]

guarantee

Example

The company guarantees a full refund if you are not satisfied with the product. [guarantee: noun]

Example

They guarantee that the repairs will be completed within 24 hours. [guarantee: verb]

Good things to know

Which word is more common?

Guarantee is more commonly used than assure in business and official contexts. It is a term frequently encountered in contracts, warranties, and customer service interactions. Assure, although less common, is still widely used in everyday conversations to provide reassurance or make promises.

What’s the difference in the tone of formality between assure and guarantee?

While guarantee is associated with a more formal tone and is commonly used in official or business settings, assure is more versatile and can be employed in both formal and informal contexts, making it suitable for interpersonal communication as well.

This content was generated with the assistance of AI technology based on RedKiwi's unique learning data. By utilizing automated AI content, we can quickly deliver a wide range of highly accurate content to users. Experience the benefits of AI by having your questions answered and receiving reliable information!