monolithic vs monumental

monolithic and monumental both are adjectives.

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

As adjectives, monolithic and monumental are synonyms defined as:

Other synonyms of monolithic include massive.

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