for sure

1. 1.

   not open to doubt

   “she wanted to go; that was for sure”

   Similarunquestionable

1. 1.

   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”

   Synonymssurelycertainlysurefor certainsure enoughsure as shooting

   colloquialism

Questions about for sure

What does for sure mean?

for sure means "not open to doubt". That is the primary sense; the word has 2 in total, listed in full on this page.

What is another word for for sure?

Close synonyms include surely, certainly, sure, for certain, sure enough. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is for sure a common word?

for sure is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.