gargantuan

As adjectives the difference between gargantuan and diminutive

is that gargantuan is of the giant Gargantua or his appetite while diminutive is very small.

As a noun diminutive is

a word form expressing smallness, youth, unimportance, or endearment.

As adjectives the difference between gargantuan and countless

is that gargantuan is of the giant Gargantua or his appetite while countless is too many to count; innumerable or incalculable.

Gargantuan is a related term of horrible.

As adjectives the difference between gargantuan and horrible

is that gargantuan is (obsolete) of the giant gargantua or his appetite while horrible is causing horror; terrible; shocking.

As a noun horrible is

a thing that causes horror; a terrifying thing, particularly a prospective bad consequence asserted as likely to result from an act.

As adjectives the difference between gargantuan and spacious

is that gargantuan is of the giant Gargantua or his appetite while spacious is having much space; roomy.

Gargantuan is a related term of grand.

As an adjective gargantuan

is (obsolete) of the giant gargantua or his appetite.

As a proper noun grand is

a commune in france.

In obsolete terms the difference between gargantuan and tall

is that gargantuan is of the giant Gargantua or his appetite while tall is bold; brave; courageous; valiant.

Gargantuan is a related term of ample.

As adjectives the difference between gargantuan and ample

is that gargantuan is (obsolete) of the giant gargantua or his appetite while ample is large; great in size, extent, capacity, or bulk; spacious; roomy; widely extended.

Gargantuan is a related term of whopping.

As adjectives the difference between gargantuan and whopping

is that gargantuan is (obsolete) of the giant gargantua or his appetite while whopping is exceptionally large or great.

As a verb whopping is

.

Gargantuan is a related term of astronomical.

As adjectives the difference between gargantuan and astronomical

is that gargantuan is (obsolete) of the giant gargantua or his appetite while astronomical is (not comparable) of or relating to astronomy.

Gargantuan is a related term of substantial.

As adjectives the difference between gargantuan and substantial

is that gargantuan is (obsolete) of the giant gargantua or his appetite while substantial is having to substance; actually existing; real; as, substantial life.

As a noun substantial is

anything having substance; an essential part.