Assurance – Definition & Meaning

Assurance is a word that is commonly used in everyday language. It is often used in different contexts and has different meanings. In this article, we will explore the definition and meaning of assurance, its origin, synonyms, antonyms, and associations.


Assurance is a noun that can be defined in different ways. It can mean a promise or guarantee of something. It can also mean confidence or certainty in something. Assurance can also refer to insurance, a type of financial protection against loss or damage.


The word assurance comes from the Old French word “asseurance” which means “security, surety, pledge.” The word has been in use since the 14th century.

Meaning in different dictionaries

According to the Oxford English Dictionary, assurance means “a positive declaration intended to give confidence; a promise or pledge; a guarantee.” The Merriam-Webster Dictionary defines assurance as “the act of assuring; a statement intended to inspire confidence; a promise; confidence of mind or manner.”


Assurance is often associated with trust, confidence, and security. It can also be associated with insurance, as in the case of life assurance, health assurance, or car assurance. In some contexts, assurance can be associated with arrogance or overconfidence.


Some synonyms of assurance include confidence, certainty, guarantee, pledge, promise, security, trust, and conviction.


Antonyms of assurance include doubt, uncertainty, insecurity, distrust, and suspicion.

The same root words

Assurance shares the same root words with words such as ensure, insure, and reassurance. These words all come from the Latin word “securus” which means “free from care.”

Example Sentences

  • The company gave us assurance that they will deliver the product on time.
  • The doctor’s assurance that the surgery was successful gave the patient peace of mind.
  • He spoke with assurance and confidence, impressing his audience.
  • I have life assurance to make sure my family is financially secure in case something happens to me.
  • His arrogance and overconfidence gave me no assurance that he could handle the job.
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