sure, certain, positive, cocksure mean having no doubt or uncertainty. sure usually stresses the subjective or intuitive feeling of assurance.

SURE meaning: 1. certain; without any doubt: 2. certain or certainly: 3. to be very or too confident: . Learn more.

Sure is used to emphasize that something such as a sign or ability is reliable or accurate.

Sure and certain are frequently used interchangeably; sure, however, is the more subjective term, whereas certain may imply belief based on experience or evidence: "Never teach a child anything of …

Sure, certain, confident, positive indicate full belief and trust that something is true. Sure, certain, and positive are often used interchangeably. Sure, the simplest and most general, expresses mere …

To establish something without doubt; make certain: Make sure he writes it down.

5 days ago · This investment is a sure thing. The bailiff had a sure grip on the prisoner's arm.