1) Fraction of a zillion 2) Gazillions 3) Ginormous number 4) Indistinct number 5) Inexact but large number 6) Innumerable 7) Innumerable but many 8) Innumerable;many 9) Large, inexact number 10) Lots of 11) Many 12) More than many 13) Myriad 14) Outlandish number 15) Slang for many, a lot of 16) Too many to count Found on https://www.crosswordclues.com/clue/umpteen