Crossword clues for the word: BIGIF The word BIGIF has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for BIGIF Showing 1 to 8 of 8 results Clue(s) Fundamental question Hard-to-meet condition It's a lot to assume Major condition Major uncertainty Problematic event Significant qualification Unlikely but necessary condition