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definitely or positively (`sure' is sometimes used informally for `surely'); "the results are surely encouraging"; "she certainly is a hard worker"; "it's going to be a good day for sure"; "they are coming, for certain"; "they thought he had been killed sure enough"; "he'll win sure as shooting"; "they sure smell good"; "sure he'll come"
in a manner or to a degree that could not be doubted; "it was immediately and indubitably apparent that I had interrupted a scene of lovers"; "his guilt was established beyond a shadow of a doubt"