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Collocation

completely sure

adverb + adjective (often after be) adverb + adjective

having no doubt; fully certain about something

completely sure: having no doubt; fully certain about something

Definition

'completely sure' is a common English collocation. having no doubt; fully certain about something

be + completely sure (+ that-clause / about + noun / of + noun)

“I am completely sure that I locked the door.”

Examples

  • I am completely sure that I locked the door before we left.
  • She was completely sure about her decision to change jobs.
  • Are you completely sure this is the right address?
Show more examples
  • He is not completely sure of the dates, so he will check his calendar.
  • We cannot sign the contract until we are completely sure about the costs.
  • I was completely sure I had sent the email, but it was still in my drafts.
  • They sounded completely sure that the train would arrive on time.
  • If you are completely sure of your evidence, present it to the committee.
  • Even after rereading the instructions twice, she was not completely sure what the first step required.