Crossword clues for the word: MACMILLAN The word MACMILLAN has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for MACMILLAN Showing 1 to 2 of 2 results Clue(s) Coming from Eton, all I'm campaigning about is old boy making it as PM Harold —, British prime Minister from 1957-63