Crossword clues for the word: IMSOSURE The word IMSOSURE has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for IMSOSURE Showing 1 to 3 of 3 results Clue(s) “Yeah right!” "Oh, like that could ever happen!" (3 wds.) Sarcastic alternative to "Fat chance!"