Crossword clues for the word: CASTOROIL The word CASTOROIL has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for CASTOROIL Showing 1 to 10 of 10 results Clue(s) "Former medicine for John Jacob in spring (3)" Actors transformed fuel into purgative Child's dreaded spoonful of yore Choice of a molding or painting? Medicine or lubricant Old-fashioned medicinal liquid Old-fashioned medicine Old-fashioned remedy. Pale yellow lubricant Provides alternative to Grease after the players produced something medicinal