CEFR A1

sure

adjective

Meaning

Feeling or showing certainty or confidence.

Examples

Are you sure you locked the door?
She is sure to win the competition.

Synonyms: certain, confident, positive, assured

Learn English that separates you from the crowd with Anaversity: private classes, Ani practice, Campus tools, and a public English-learning community.

sure (A1)

adjective

Pronunciation: /ʃʊər/

Definition

Feeling or showing certainty or confidence.

Examples

Are you sure you locked the door?
She is sure to win the competition.
I'm not sure if I can make it to the party.

How to Use sure

be sure to (collocation): Used to strongly advise or command someone to do something. — "Be sure to check the expiration date on the milk."
make sure (collocation): To ensure that something is the case. — "Can you make sure the door is locked?"
sure of (prepositional phrase): Having no doubt about something. — "He is sure of his decision."
sure about (prepositional phrase): Having no doubt about something. — "I'm not sure about this plan."

Synonyms of sure

Words with a similar meaning to sure:

Antonyms of sure

Words with the opposite meaning to sure:

Browse the full Anaversity dictionary