Crossword clues for the word: PRN The word PRN has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for PRN Showing 1 to 6 of 6 results Clue(s) """As needed,"" in Rx's" """Boogie Nights"" theme" "As needed, to a pharmacist" Take as needed: pharm. Wild suspicion Wild suspicion (8)