sure Definition

  • 1certain without doubt
  • 2confident in one's abilities or character
  • 3used to express agreement or acceptance

Using sure: Examples

Take a moment to familiarize yourself with how "sure" can be used in various situations through the following examples!

  • Example

    I'm sure I left my keys on the table.

  • Example

    She is sure of her decision.

  • Example

    Sure, I'll help you with that.

  • Example

    Are you sure you want to do this?

sure Synonyms and Antonyms

Idioms Using sure

  • absolutely certain


    I'm sure as shooting that he will be there on time.

  • something that is certain to happen or be successful


    The concert is a sure thing to sell out.

  • take steps to ensure that something is definitely true or will happen


    I need to make sure of the time before I leave.

Phrases with sure

  • be confident in one's abilities or character


    He is sure of himself and his skills.

  • take action to ensure something is done or happens


    Make sure you lock the door before you leave.

  • as expected; certainly


    I thought I lost my phone, and sure enough, it was in my bag.

Origins of sure

from Old French 'seur', meaning 'safe'


Summary: sure in Brief

The term 'sure' [ʃʊr] means being certain without doubt, confident in one's abilities or character, or expressing agreement or acceptance. It can be used in phrases like 'be sure of oneself' and idioms like 'sure thing,' which means something that is certain to happen or be successful. 'Sure' has antonyms like 'doubtful' and 'uncertain.'

How do native speakers use this expression?