1. completely neat and clean

- the apartment was immaculate

- in her immaculate white uniform

Similar word(s): clean, speckless, spotless

2. free from stain or blemish

Similar word(s): pure, undefiled

3. without fault or error

- timing and technique were immaculate

- an immaculate record

Similar word(s): perfect, faultless, impeccable, incorrupted

Sentences with immaculate as an adjective:

- Were but my soul as pure From other guilt as that, Heaven did not hold One more immaculate. — Sir John DenhamThou sheer, immaculate and silver fountain. — Shakespeare, Richard II, V-iii.