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

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

Sure definition: free from doubt as to the reliability, character, action, etc., of something.. See examples of SURE used in a sentence.

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

Definition of sure adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

These adjectives mean feeling or showing no doubt. Sure and certain are frequently used interchangeably; sure, however, is the more subjective term, whereas certain may imply belief …

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 …

Sure definition: Confident, as of something awaited or expected.

Aug 23, 2025 · This investment is a sure thing. The bailiff had a sure grip on the prisoner's arm.

Some common synonyms of sure are certain, cocksure, and positive. While all these words mean "having no doubt or uncertainty," sure usually stresses the subjective or intuitive feeling of …