Crossword clues for the word: UNTEACH The word UNTEACH has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for UNTEACH Showing 1 to 4 of 4 results Clue(s) "Reeducate, in a way" Brainwash Cause to forget something learned. Cause to forget.