Crossword clues for the word: KNOWALL The word KNOWALL has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for KNOWALL Showing 1 to 9 of 9 results Clue(s) Be omniscient Clever type of king is not in favour of referendum - it divides the room! Distance not a barrier for clever clogs He thinks he has the answers Insufferable type It's impossible to argue with one One claiming to have the answers One with omniscience Smart aleck