1) Above all 2) Almost all 3) By and large 4) Chiefly 5) Customarily 6) Essentially 7) For the greatest part 8) For the most part 9) Generally 10) Generally in the majority 11) In large part 12) In the main 13) Largely 14) Mainly or chiefly 15) More often than not 16) Not quite all 17) Not quite all the way Found on https://www.crosswordclues.com/clue/mostly