colossal

As an adjective colossal

is extremely large or on a great scale.

As a proper noun supreme is

the supreme being; the almighty; god.

Colossal is a related term of inexhaustible.

As adjectives the difference between colossal and inexhaustible

is that colossal is extremely large or on a great scale while inexhaustible is impossible to exhaust; unlimited.

As adjectives the difference between colossal and ghastly

is that colossal is extremely large or on a great scale while ghastly is like a ghost in appearance; deathlike; pale; pallid; dismal.

As an adverb ghastly is

in a ghastly manner.

Colossal is a related term of grandiose.

As adjectives the difference between colossal and grandiose

is that colossal is extremely large or on a great scale while grandiose is large and impressive, in size, scope or extent.

Titanic is a synonym of colossal.

As adjectives the difference between colossal and titanic

is that colossal is extremely large or on a great scale while titanic is having great size, or great strength, force or power.

As a proper noun Titanic is

RMS Titanic, a cruise liner that sank on its maiden voyage on April 14, 1912 after colliding with an iceberg.

Colossal is a related term of weighty.

As adjectives the difference between colossal and weighty

is that colossal is extremely large or on a great scale while weighty is having weight; heavy; ponderous; as, a weighty body.

Colossal is a related term of hulking.

As adjectives the difference between colossal and hulking

is that colossal is extremely large or on a great scale while hulking is large and bulky.

Colossal is a related term of hideous.

As adjectives the difference between colossal and hideous

is that colossal is extremely large or on a great scale while hideous is frightful; shocking; extremely ugly.

Colossal is a related term of impressive.

As adjectives the difference between colossal and impressive

is that colossal is extremely large or on a great scale while impressive is making, or tending to make, an impression; having power to impress; adapted to excite attention and feeling, to touch the sensibilities, or affect the conscience; as, an impressive discourse; an impressive scene.

Colossal is a related term of sizeable.

As adjectives the difference between colossal and sizeable

is that colossal is extremely large or on a great scale while sizeable is fairly large.