Pronunciation: (shoor'lē, shûr'-),[key] —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!