WordNet sense 1 (abundantly filled with especially living things):

teeming

WordNet sense 2 (most excessively abundant):

superabundant

WordNet sense 3 (existing in great number or quantity):

plentiful

WordNet sense 4 (excessively abundant):

rife

WordNet sense 5 (abounding; having a lot of):

thick

WordNet sense 6 (produced or growing in extreme abundance):

exuberant, luxuriant, profuse

WordNet sense 7 (large in number or quantity (especially of discourse)):

copious

WordNet sense 8 (affording an abundant supply):

ample, plenteous, rich

WordNet sense 9 (existing in abundance):

abounding