Meaning : So extremely old as seeming to belong to an earlier period.
							Example : 
							A ramshackle antediluvian tenement.
							Antediluvian ideas.
							Archaic laws.
							
Synonyms : antediluvian, antiquated
Meaning : Little evolved from or characteristic of an earlier ancestral type.
							Example : 
							Archaic forms of life.
							Primitive mammals.
							The okapi is a short-necked primitive cousin of the giraffe.
							
Synonyms : primitive
Archaic meaning in Telugu.