/ ɪˈmækjələt; NAmE / adjective
1.
extremely clean and tidy
SYN spotless :
She always looks immaculate.
an immaculate uniform / room
2.
containing no mistakes
SYN perfect :
an immaculate performance
► im·macu·late·ly adverb :
immaculately dressed
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WORD ORIGIN
late Middle English (in the sense free from moral stain ): from Latin immaculatus , from in- not + maculatus stained (from macula spot).