Crossword clues for the word: PROJ The word PROJ has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for PROJ Showing 1 to 6 of 6 results Clue(s) "Sch. Assignment, sometimes" Long-term assignment: abbr. Major undertaking: Abbr. Sci. endeavor Something to work on: abbr. Venture: abbr.