quite a lot

Related
  • plentySufficient quantity, and then some
  • loadsLarge quantities
  • heapsLarge informal quantities
  • tonsLarge quantities, informally
  • bunchesGrouped collections of items

oodles · masses · stacks · piles · gobs · scads · abundance · plentiful · copious · ample · numerous · substantial · considerable · hefty · generous · bountiful · overflowing · teeming

Opposites
quantity/amount

quite a lotvery little

An insignificant amount

next to nothing · a smidgen · not much · precious little · a handful

frequency

quite a lotrarely

Not often occurring

seldom · hardly ever · infrequently · almost never · once in a blue moon

Familiarity
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