Words / A1

SHOOR/ʃʊə/

No doubt in your mind: you are sure, as in I'm sure this is the house. Not sure means you have a doubt, and certain is a close, slightly more formal word. Sure and sugar start with different sounds.

Meaning

Certain that something is true.

Examples

• “Are you sure this is the right bus?”
• “I'm sure I closed the window.”
• “If you are not sure, ask the teacher.”

Good to know

be sure / I'm sure. not sure = have a doubt. Make sure = check.

Near in meaning

certain

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