Meaning

adjective completely neat and clean

adjective free from stain or blemish

adjective without fault or error

originFrom Late Middle English immaculat, immaculate (“blameless; flawless, spotless; specifically of the Virgin Mary: pure, undefiled”), borrowed from Latin immaculātus (“unstained”), from im- (negative prefix) + maculātus (“stained, spotted; defiled, polluted; (figurative) dishonoured”), the perfect passive participle of maculō (“to spot, stain; to defile, pollute; (figurative) to dishonour”), from…

Etymology from Wiktionary, CC BY-SA 3.0