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, 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 …

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 …

There are 35 meanings listed in OED's entry for the word sure, eight of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

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

Dec 21, 2025 · This investment is a sure thing. The bailiff had a sure grip on the prisoner's arm.

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

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