形容詞 immaculate:

1. completely neat and clean
   同義詞：speckless, spick-and-span, spic-and-span, spic, spick, spotless
2. free from stain or blemish
   同義詞：undefiled
3. without fault or error
   同義詞：faultless, impeccable

1. Spanish painter of genre scenes, portraits, and religious subjects, such as Immaculate Conception(1668).
   牟利羅，巴托洛米奧·埃斯特巴1617－1682西班牙風俗、肖像和宗教題材的畫家，比如圣靈懷胎1668
2. No matter how many guests were present, the great house was always immaculate.
   不論有多少賓客，這幢大房子總是顯得異常潔凈。
3. It's an immaculate performance.
   那是一場完美的演出。
4. He wore an immaculate uniform for the date.
   他穿著整潔的制服去約會。

im.mac.u.late

adj.（形容詞）
Impeccably clean; spotless.See Synonyms at clean
潔凈的：無瑕地清潔的；極其清潔的參見 clean
Free from stain or blemish; pure.
沒有污點的；純潔的
Free from fault or error:
沒有錯誤的：
例句：
an immaculate record.
無過失的記錄

Having no markings.
沒有標記的

來源：
Middle English immaculat
中古英語 immaculat
from Latin immacul3tus
源自 拉丁語 immacul3tus
in- [not] * see in-
in- [不] *參見 in-
macul3tus [past participle of] macul3re [to blemish] from macula [spot]
macul3tus [] macul3re的過去分詞 [玷污] 源自 macula [污點]

【引伸】
immac.ulately
adv.（副詞）
immac.ulateness
n.（名詞）