I. adjective (surer; surest)
Etymology: Middle English seur, sure, from Anglo-French seur, from Latin securus secure
Date: 13th century
safe from danger or harm, firmly established ; steadfast , reliable , trustworthy ,
4. marked by or given to feelings of confident certainty , characterized by a lack of wavering or hesitation , admitting of no doubt ; indisputable ,
6. bound to happen ; inevitable , bound , destined , careful to remember, attend to, or find out something , sureness noun Synonyms: see: sure
II. adverb
Date: 14th century
surely ,
Usage: Most commentators consider the adverb sure to be something less than completely standard; surely is usually recommended as a substitute. Our current evidence shows, however, that sure and surely have become differentiated in use. Sure is used in much more informal contexts than surely. It is used as a simple intensive and, because it connotes strong affirmation, it is used when the speaker or writer expects to be agreed with