WordWeb Online

1. (often followed by 'of') a large number, amount or extent
   "see the rest of the winners in our huge passel of photos";
   - batch, deal, flock, good deal, great deal, hatful, heap, lot, mass, mess, mickle [archaic], mint, mountain, muckle, peck, pile [informal], plenty, pot, quite a little, raft, sight, slew, spate, stack, tidy sum, wad, bunch [informal]

Derived forms: passels

Type of: large indefinite amount, large indefinite quantity

Encyclopedia: Passel