mountainous
adjective
[ ˈmaʊntɪnəs ]
• (of a region) having many mountains.
• very large; huge.
• "struggling under mountainous debts"
Similar:
huge,
enormous,
gigantic,
massive,
very big,
very large,
great,
giant,
colossal,
mammoth,
vast,
immense,
tremendous,
mighty,
formidable,
staggering,
monumental,
Herculean,
epic,
prodigious,
monstrous,
titanic,
towering,
king-sized,
king-size,
gargantuan,
substantial,
mega,
monster,
whopping,
whopping great,
thumping,
thumping great,
humongous,
jumbo,
hulking,
astronomical,
astronomic,
whacking,
whacking great,
ginormous,
