Crossword clues for the word: SUREOF The word SUREOF has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for SUREOF Showing 1 to 8 of 8 results Clue(s) Certain about Completely confident about (2 wds.) Having no doubt about Having no reservations about Not doubting Not doubting at all Positive about Without a doubt about