big
large
Atlantean
Brobdingnagian
Cyclopean
Gargantuan
Herculean
Homeric
Jumbo
abysmal
ammonite
amplitudinous
ankylosaur
archaeohippus
archaeotherium
archelon
arthrodiran
astronomic
astronomical
aurochs
awesome
bothriolepis
boundless
brachiosaur
brontops
brontothere
bulky
coccostean
coelodont
colossal
compsognathus
coryphodon
cosmic
cotylosaur
creodont
crossopterygian
cynodictis
diatryma
dimetrodon
dinichthyid
dinosaur
dinothere
diplodocus
duck-billed dinosaur
edaphosaurid
elasmosaur
elephant
elephantine
enormous
epic
armored
central
cylindrical
gargantuan
giant
gigantic
good-sized
monstrous
monumental
near
oversized
ponderous
reindeer
rhino
titanic