Immaculate, pure, and sinless may be used either of one who has never known the possibility of evil or of one who has perfectly and triumphantly resisted it.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

neat No one is so poor that he cannot afford to be neat.
spotless After an hour's cleaning, the bath was spotless.
impeccable The service at Benedito's restaurant is impeccable.
faultless A faultless plan is stifling, isn't it?

Popularity over time

Word	1850 → 2019	Trend
immaculate		rising
neat		rising
spotless		rising
impeccable		rising

Use in printed books, per decade from 1850 to 2019.

By length

4 letters: good¹, fair¹, holy², pure¹, neat¹
5 letters: clear¹, clean¹, ideal², pyore
6 letters: virgin², kosher², chaste¹
7 letters: perfect², sinless
8 letters: innocent³, flawless², pristine², spotless², unsoiled
9 letters: stainless², blameless², faultless, unsullied³, untainted³, guiltless², undefiled, unstained², unspotted, speckless
10 letters: impeccable⁴, unpolluted
11 letters: unblemished³, untarnished, incorrupted
12 letters: unbesmirched
13 letters: unadulterated⁶
14 letters: uncontaminated⁶, irreproachable

The small number after each word is its number of syllables (holy² = 2 syllables).

In other languages

Français: immaculé
Italiano: immacolato
Español: inmaculado
Deutsch: unbescholten