monumental vs monolithic

monumental and monolithic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
monumental	No	Yes	No	No
monolithic	No	Yes	No	No

As adjectives, monumental and monolithic are synonyms defined as:

Other synonyms of monumental include massive.

monumental (adjective)	monolithic (adjective)
relating or belonging to or serving as a monument	imposing in size or bulk or solidity
imposing in size or bulk or solidity	characterized by massiveness and rigidity and total uniformity
of outstanding significance