- with assurance or confidence; in a sure, unhesitating manner
- without a doubt; assuredly; certainly: often used as an intensive emphasizing a supposition: surely you don't believe that!
- without risk of failing: chiefly in slowly but surely
- With confidence; unhesitatingly.
- Undoubtedly; certainly: You surely can't be serious.
- Without fail: Slowly but surely spring returns.
(comparative more surely, superlative most surely)
sure +"Ž -ly