Crossword clues for the word: ZEROTH The word ZEROTH has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for ZEROTH Showing 1 to 8 of 8 results Clue(s) "It comes before first, in math" Before the first unknown (or the variable) Beginning of an ordered sequence It comes before first, in mathematics Ordinal that kind of seems fake but isn't Preceder of first Preceding even the first Unusual ordinal