Collocations for quantity - noun

considerable, enormous, great, huge, immense, large, massive, sheer, significant, substantial, vast
copious, generous, prodigious, vast
copious quantities of champagne

limited, minute, modest, small, tiny
maximum, minimum
increasing
average
sufficient
Gas was detected in sufficient quantity to warrant careful monitoring.

in quantity
There is a discount for goods bought in quantity.

quantity of
A quantity of fertilizer was stolen from the farm.