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The definition of sure

18 Definitions of: sure

    1. adjective, free from hesitancy or uncertainty (with regard to a belief, conviction, etc)
    2. adjective, having no doubt, as of the occurrence of a future state or event
    3. adjective, always effective; unfailing
    4. adjective, reliable in indication or accuracy
    5. adjective, (of persons) worthy of trust or confidence
    6. adjective, not open to doubt
    7. adjective, admitting of no vacillation or doubt
    8. adjective, bound to be or occur; inevitable
    9. adjective, bound inevitably (to be or do something); certain
    10. adjective, physically secure or dependable
    11. adjective, free from exposure to harm or danger
    12. adjective, be sure to be careful or certain
    13. adjective, for sure without a doubt; surely
    14. adjective, make sure a) to make certain; ensure b) to establish or confirm power or possession (over)
    15. adjective, sure enough as might have been confidently expected; definitely: often used as a sentence substitute
    16. adjective, to be sure a) without doubt; certainly b) it has to be acknowledged; admittedly
    17. adverb, willingly; yes
    18. adverb, without question; certainly
    19. Show me some examples of this word: sure
    20. Show me the etymology of the word: sure
Synonyms: positive, fast, reliable, honest, safe, certain, clear, decided, convince, persuade And more...
Antonyms: uncertain
 

From Collins

©HarperCollins 2008. Collins English Dictionary definition of sure