1. [ adverb ] definitely or positively
Synonyms: certainly sure surely sure_enough sure_as_shooting for_certain

"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"

Related terms: colloquialism certain certain certain
2. [ adjective ] not open to doubt

"she wanted to go that was for sure"

Related terms: unquestionable
Similar spelling:   foursquare