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

"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
Similar spelling:   fourscore