/shoor"lee, sherr"-/ , adv.
1. firmly; unerringly; without missing, slipping, etc.
2. undoubtedly, assuredly, or certainly: The results are surely encouraging.
3. (in emphatic utterances that are not necessarily sustained by fact) assuredly: Surely you are mistaken.
4. inevitably or without fail: Slowly but surely the end approached.
5. yes, indeed: Surely, I'll go with you!
[ 1300-50; ME surliche. See SURE, -LY ]
Usage. 2. See sure .